Main Dishes, Summer Favorites

Caramelized Onions and Blue Cheese Turkey Burgers

Last Updated on March 12, 2025 by Karen

Savor the flavor of juicy turkey burgers topped with caramelized onions, crumbled blue cheese, and garlic aioli. This healthy burger recipe is a simple way to elevate frozen turkey burgers into a gourmet meal!

Grilling season is here, and there’s no better time to enjoy a delicious homemade burger! While traditional beef burgers are popular, turkey burgers offer a healthier alternative that’s just as satisfying. And if you’re short on time, frozen turkey burgers are an easy way to make a quick and delicious meal. By adding a few gourmet touches like caramelized onions, blue cheese, and garlic aioli, you can easily elevate frozen turkey burgers into a flavorful and impressive meal. Whether you’re hosting a summer BBQ or making a weeknight dinner, this simple recipe is sure to impress your guests and family.

Why Doctoring Up Frozen Turkey Burgers Works So Well

Frozen turkey burgers are convenient and quick, but they can sometimes be a little bland on their own. The great thing is, it’s easy to doctor up frozen turkey burgers by adding a few ingredients to enhance the flavor and make them feel more gourmet. By topping them with caramelized onions, blue cheese, and garlic aioli, you can take a simple frozen turkey patty and turn it into a mouthwatering burger that’s bursting with flavor.

Ingredients for Caramelized Onion and Blue Cheese Turkey Burgers

To make these delicious gourmet turkey burgers, you’ll need the following ingredients:

Garlic cloves: Minced garlic provides a bold, aromatic flavor that forms the base of the aioli. If you prefer a milder flavor, roasted garlic can be used instead. Roasting garlic softens its pungency, creating a sweet, subtle taste that still adds depth to the aioli. Alternatively, garlic powder can be used for a different flavor profile, though it won’t have the same fresh, aromatic kick as fresh garlic.

Mayonnaise: Mayonnaise acts as the creamy base of the aioli, adding richness and smooth texture. For a lighter version, you can substitute mayonnaise with Greek yogurt or sour cream, both of which offer a tangy creaminess with fewer calories. For a dairy-free option, vegan mayonnaise works well without compromising texture or flavor.

Olive oil: Olive oil helps to thin the aioli slightly, making it easier to spread, while contributing a mild fruity flavor. If you prefer a richer flavor, avocado oil can replace olive oil, providing a buttery note. For a more indulgent twist, truffle oil can be used to add an earthy, luxurious flavor to the aioli.

Fresh lemon juice: Fresh lemon juice adds a refreshing tang that balances the richness of the mayo and olive oil. If you’re out of lemons, vinegar (apple cider or white wine vinegar) can serve as a substitute.

Salt and pepper: Salt and pepper season the aioli to taste, bringing out the natural flavors of the garlic. Feel free to adjust the seasoning based on your preferences. For added heat, a pinch of cayenne pepper or smoked paprika can provide a subtle kick. Fresh herbs, such as parsley or dill, can also be added for extra flavor.

Unsalted butter: Unsalted butter is used to sauté the onions, helping them caramelize perfectly and adding a rich, smooth flavor. If you’re looking for a healthier alternative, olive oil or coconut oil can be used. Coconut oil will introduce a hint of sweetness and a subtle tropical flavor.

Yellow onion: Yellow onions have a natural sweetness that deepens when caramelized, adding a savory and rich flavor to the turkey burger. For a milder or different flavor, sweet onions (like Vidalia) can be used, which are even sweeter and less pungent. Red onions also work well but may not caramelize as sweetly and offer a slightly sharper flavor.

Frozen turkey burgers: Frozen turkey burgers are a convenient, lean protein option that requires minimal prep. I like to use Jennie-O All White Turkey Burgers or Trader Joe’s Caramelized Onion & Bell Pepper Turkey Patties for this recipe. If you prefer a different protein, chicken burgers or veggie patties can be substituted. Beef patties also pair wonderfully with the toppings, offering a richer alternative for those looking for a more indulgent burger.

Hamburger buns: Hamburger buns serve as the perfect base for these gourmet turkey burgers. To make the meal healthier, you can swap out regular buns for whole-grain buns, which add fiber and nutrients. For a low-carb or gluten-free alternative, consider using lettuce wraps instead of buns for a fresh, crisp bite.

Baby arugula leaves: Arugula adds a peppery, slightly bitter bite that contrasts beautifully with the richness of the turkey and the creaminess of the aioli. If you’re not a fan of arugula, baby spinach, kale, or mixed greens are great substitutes. For a more vibrant and sweet option, fresh basil or cilantro can be used, or for extra crunch, shredded iceberg lettuce can be added.

Blue cheese: Blue cheese brings a bold, tangy flavor that complements the savory turkey burger. If blue cheese is too strong for your taste, other cheeses like goat cheese, feta, or sharp cheddar will work well. For a milder cheese option, mozzarella or Havarti can be used, offering a creamy texture without the pungency of blue cheese.

How to Make Caramelized Onion and Blue Cheese Turkey Burgers

Step 1: Prepare the Garlic Aioli
In a small bowl, mix together the minced garlic, mayonnaise, olive oil, and fresh lemon juice. Season with salt and pepper to taste. Set the garlic aioli aside while you prepare the turkey burgers.

Step 2: Caramelize the Onions
In a large skillet, melt the unsalted butter over medium-high heat. Add the sliced onions and cook, stirring occasionally, for 15 to 20 minutes, or until the onions are softened and golden brown. If necessary, you can cook the onions for up to 30 to 40 minutes to achieve perfect caramelization. Season with salt and pepper to taste.

Step 3: Cook the Frozen Turkey Burgers
Cook frozen turkey burger patties according to package instructions. See more below on different preparation methods. Be sure to check that the internal temperature of the turkey burgers reaches 165°F for safe consumption.

Step 4: Assemble the Burgers
Spread a generous layer of garlic aioli on the bottom half of each hamburger bun. Add a few fresh baby arugula leaves for a peppery crunch, then place the cooked turkey burger on top. Finish by topping with the caramelized onions and crumbled blue cheese. Top with the other half of the bun and serve immediately!

What is the Method for Quick Caramelized Onions?

To quickly caramelize onions, start by thinly slicing your onions. Heat 1-2 tablespoons of olive oil or butter in a large skillet over medium heat. Add the sliced onions and cook for about 5-7 minutes, stirring occasionally, until they begin to soften and become translucent. To speed up the caramelization process, sprinkle a pinch of salt and about 1/2 teaspoon of sugar (optional) over the onions. The salt helps draw out moisture, and the sugar accelerates the caramelization, giving the onions a sweeter flavor. Lower the heat to medium-low and continue cooking the onions for another 5-10 minutes, stirring occasionally, until they turn golden brown and sweet. If they start sticking to the pan, add a splash of water or broth to deglaze. Once the onions are perfectly caramelized, remove them from the pan and serve them on your favorite dish, like burgers or salads. This quick method lets you enjoy delicious, caramelized onions in under 20 minutes!

How to Cook a Frozen Turkey Burger?

Cooking a frozen turkey burger is easy and can be done in a few simple steps, whether you’re grilling, pan-frying, or baking. Here’s a general guide for each method:

Grilling Frozen Turkey Burgers:

Preheat the Grill: Start by preheating your grill to medium heat, which is approximately 350°F to 375°F (175°C to 190°C). If you’re using a charcoal grill, let the coals burn down to a medium heat, where you can hold your hand over the grill grate for 5-7 seconds comfortably.

Place the Frozen Patties on the Grill: Once your grill is ready, place the frozen turkey burger patties directly on the grill grates. You don’t need to thaw the patties beforehand, as they can go straight from the freezer to the grill. If you prefer, you can lightly brush the patties with a little olive oil to prevent sticking, though this is optional.

Grilling Time: Grill the patties for about 9-10 minutes per side. The key is to cook them through without burning the outside. Flip the burgers halfway through cooking. Turkey is leaner than beef, so you’ll want to avoid cooking them on high heat, as they may dry out.

Check the Internal Temperature: Always use a meat thermometer to check the internal temperature of the turkey burgers. The safe cooking temperature for ground turkey is 165°F (74°C). Insert the thermometer into the thickest part of the patty to ensure it’s fully cooked. If it’s not yet at 165°F, continue grilling for a few more minutes.

Rest the Burgers: Once the burgers are cooked, remove them from the grill and let them rest for 3-5 minutes. This allows the juices to redistribute throughout the patty, making the burger more flavorful and juicy when you bite into it.

Air Fryer Method for Cooking Frozen Turkey Burgers:

Preheat the Air Fryer: Start by preheating your air fryer to 375°F (190°C). Preheating ensures even cooking and helps achieve a crispy outer layer.

Prepare the Turkey Burgers: Take your frozen turkey burger patties out of the packaging. There’s no need to thaw them first. If desired, you can lightly season the frozen patties with salt, pepper, garlic powder, or your favorite seasoning before cooking.

Place the Burgers in the Air Fryer: Arrange the frozen turkey burgers in the air fryer basket in a single layer. Be sure they aren’t overcrowded to allow air to circulate around each patty for even cooking. If you’re cooking more than one burger, you may need to work in batches depending on the size of your air fryer.

Cook the Turkey Burgers: Cook the frozen turkey burgers for about 15-18 minutes, flipping them halfway through the cooking time. This will allow the burgers to cook evenly on both sides. Depending on the thickness of your patties, the cooking time may vary slightly, so check them toward the end.

Check the Internal Temperature: Use a meat thermometer to check the internal temperature of the turkey burgers. They should reach 165°F (74°C) to ensure they’re fully cooked and safe to eat.

Rest the Burgers: After the burgers are done, remove them from the air fryer and let them rest for a couple of minutes. This allows the juices to redistribute, ensuring a tender and juicy burger.

Serve and Enjoy: Place your cooked turkey burgers on buns and add your favorite toppings, like caramelized onions, lettuce, tomato, or a flavorful aioli.

Pan-Frying Frozen Turkey Burgers:

Preheat the Pan: Begin by heating a skillet or frying pan over medium heat. Add about 1 tablespoon of oil (such as olive oil or vegetable oil) to prevent sticking and ensure the burgers cook evenly. You can also use a non-stick skillet if you prefer, but a little oil adds extra flavor and moisture.

Cook the Frozen Patties: Place the frozen turkey burger patties directly into the hot skillet. You don’t need to thaw them first. It’s important to make sure the pan isn’t overcrowded, so if you’re cooking multiple burgers, make sure there’s enough space between them for even cooking.

Cooking Time: Cook the turkey burgers for about 6-7 minutes on the first side without moving them to ensure a nice sear. After 6-7 minutes, flip the burgers and cook the other side for another 6-7 minutes. Keep the heat at medium to medium-low throughout the process to avoid burning the outside before the inside is fully cooked.

Check the Internal Temperature: Use a meat thermometer to check the internal temperature of the turkey burgers. They must reach 165°F (74°C). Insert the thermometer into the thickest part of the patty to confirm they are cooked through. If they haven’t reached the correct temperature, continue to cook for 2-3 more minutes and check again.

Rest the Burgers: Once the turkey burgers are fully cooked, remove them from the skillet and let them rest for a few minutes before serving. This helps retain the juices, ensuring a tender and juicy burger.

Baking Frozen Turkey Burgers:

Preheat the Oven: Preheat your oven to 375°F (190°C). Baking is a great option if you’re cooking multiple frozen turkey burgers at once, as it allows for even cooking without constant monitoring.

Prepare the Baking Sheet: Line a baking sheet with parchment paper or foil for easier cleanup. Place the frozen turkey burger patties on the baking sheet, ensuring they are not overlapping. You don’t need to thaw the burgers before baking, but make sure the patties are spaced out to allow for proper heat circulation.

Bake the Turkey Burgers: Bake the turkey burgers in the preheated oven for about 25-30 minutes, flipping the burgers halfway through cooking. This will allow them to cook evenly on both sides. Keep in mind that oven temperatures can vary, so start checking the internal temperature at the 20-minute mark to avoid overcooking.

Check the Internal Temperature: As with the grilling and pan-frying methods, check the internal temperature of the turkey burgers with a meat thermometer to ensure they’ve reached 165°F (74°C). Insert the thermometer into the thickest part of the patty to confirm doneness.

Rest the Burgers: Once they reach 165°F, remove the turkey burgers from the oven and let them rest for about 3-5 minutes before serving. This resting time ensures the juices redistribute and the burger remains juicy.

Additional Tips For Cooking Frozen Turkey Burgers

Don’t Overcook: Turkey burgers can dry out easily since they’re leaner than beef. Be sure to check the internal temperature regularly to avoid overcooking.

Seasoning: Since frozen turkey burgers are often plain, consider seasoning them with salt, pepper, garlic powder, or your favorite seasoning blend before or during cooking to boost flavor.

Frozen Burger Texture: Frozen turkey burgers may take a little longer to cook than fresh ones, so be patient and check for doneness with a thermometer.

With these methods, you’ll have perfectly cooked frozen turkey burgers that are safe, juicy, and packed with flavor every time!

How to Tell if a Turkey Burger is Done?

To tell if a turkey burger is done, the most reliable method is to check its internal temperature. Turkey burgers should be cooked to an internal temperature of 165°F (74°C). You can use a meat thermometer to check the temperature in the thickest part of the patty, ensuring it has reached the proper temperature for safety and optimal juiciness.

In addition to using a thermometer, you can check for a few visual cues:

Juices: When you press on the burger with a spatula, the juices should run clear rather than pink or red. If the juices are still pink, the burger likely needs more cooking time.

Texture: A cooked turkey burger should feel firm and not too squishy when pressed. If it feels mushy or soft, it’s not yet fully cooked.

Color: The exterior of the burger should be golden brown and slightly crispy. If the inside is still pink, it requires more time on the grill or in the pan.

To ensure perfectly cooked turkey burgers, it’s always best to use a thermometer for accuracy.

Is Turkey Burger Healthy?

Turkey burgers can be a healthy option, especially compared to traditional beef burgers. Here are some reasons why turkey burgers can be considered a healthier choice:

1. Lower in Fat

Turkey, particularly lean ground turkey, is lower in fat than regular beef. It contains less saturated fat, which is linked to heart disease and high cholesterol levels. If you choose lean turkey (like 93% lean), it’s a great source of protein without the extra fat found in higher-fat beef cuts.

2. High in Protein

Turkey is a great source of high-quality protein, which is essential for muscle growth, tissue repair, and overall body function. Protein also helps you feel full for longer periods, making it a good choice for weight management.

3. Nutrient-Rich

Turkey burgers are packed with essential nutrients like B vitamins (particularly niacin, vitamin B6, and B12), zinc, and selenium. These nutrients are important for energy production, immune health, and maintaining healthy skin, hair, and nails.

4. Lower in Calories

A turkey burger typically has fewer calories than a beef burger, especially if made with lean ground turkey. This makes it a good choice for those looking to manage their calorie intake while still enjoying a satisfying meal.

5. Versatile and Easy to Customize

Turkey burgers are highly versatile and can be customized with healthy toppings like fresh vegetables (e.g., lettuce, tomatoes, onions), low-fat cheeses, and whole-grain buns. By using healthier ingredients and controlling the amount of added fat and salt, you can make a turkey burger a balanced, nutrient-packed meal.

Overall, turkey burgers can be a nutritious, flavorful, and healthy alternative to traditional beef burgers, especially when prepared with lean turkey and served with wholesome toppings and sides.

What to Serve with These Turkey Burgers?

To complement the rich flavors of the Caramelized Onion and Blue Cheese Turkey Burgers, consider serving sides that balance the savory, creamy elements of the burger while offering fresh or crispy textures. Crispy sweet potato fries are a perfect choice, adding a subtle sweetness that pairs beautifully with the caramelized onions and tangy blue cheese. For a lighter option, grilled vegetables like zucchini, bell peppers, or asparagus bring smoky flavors and freshness, enhancing the overall meal without overpowering the burger.

A refreshing coleslaw, made with a vinaigrette dressing, offers a crunchy, tangy contrast to the richness of the burger, while a side of roasted Brussels sprouts provides a hearty, slightly bitter note that complements the creamy blue cheese. If you’re looking for something lighter, a mixed green salad with fresh herbs, cucumber, and avocado will add brightness and a crisp texture that balances the burger’s bold toppings.

For a more indulgent side, crispy potato wedges seasoned with your favorite spices are a satisfying choice that pairs wonderfully with the turkey burgers. Finally, a side of pickles—whether dill or bread-and-butter—adds a tangy, crunchy bite, providing a refreshing palate cleanser between bites of the rich burger. These sides all offer a variety of textures and flavors that will enhance your burger experience and make for a well-rounded, delicious meal.

Caramelized Onions and Blue Cheese Turkey Burgers

Serve up these savory turkey burgers topped with caramelized onions, blue cheese, and garlic aioli on your next grill night!
Servings 4
Author Karen @ The Tasty Bite

Ingredients

For the garlic aioli:

  • 2 garlic cloves minced
  • 1/2 cup mayonnaise
  • 2 tbsps olive oil
  • 1 tbsp fresh lemon juice
  • Salt and pepper to taste

For the burgers:

  • 1/2 tbsp unsalted butter
  • 1 small yellow onion sliced
  • 4 frozen turkey hamburger patties
  • 4 hamburger buns split
  • Baby arugula leaves for serving
  • 2 oz blue cheese crumbled

Instructions

  • Mix garlic, mayonnaise, olive oil, and lemon juice in a small bowl. Season with salt and pepper to taste.
  • In a large skillet on medium high heat, melt butter and cook onions until softened and caramelized, stirring occasionally, about 15 to 20 minutes. Season with salt and pepper to taste.
  • Prepare frozen turkey burger patties according to package instructions.
  • Spread garlic aioli on the bottom of hamburger bun. Add arugula and cooked turkey burger then topped with caramelized onions and blue cheese. Enjoy!

Notes

Depending on how thinly you slice the onions and how high the heat is, it may take up to 30 to 40 minutes to caramelize.

With just a few simple ingredients, you can easily transform frozen turkey burgers into a delicious, gourmet meal. The combination of caramelized onions, blue cheese, and garlic aioli gives these burgers a rich, savory flavor that takes them to the next level. They’re easy to make, healthy, and perfect for any grilling occasion!

Love these burgers? So break out that grill and get to cookin’!

One Comment

  1. Looks delicious! I’m a big fan of the caramelized onions and blue cheese combo :)

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