French Onion Burgers
User Reviews
5
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Prep Time
10 mins
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Cook Time
28 mins
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Total Time
38 mins
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Servings
6 burgers
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Calories
574 kcal
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Course
Main Course
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Cuisine
American
French Onion Burgers
Description
These French Onion Burgers start with ground beef blended gently with onion soup mix to infuse deep onion flavor directly into the patties. Caramelized onions cooked with butter, balsamic vinegar, and sugar develop a sweet and tangy profile that complements the savory beef. Topping each burger with melted gruyere cheese adds a nutty richness. The horseradish aioli, made from mayonnaise, horseradish, lemon juice, and garlic, introduces a zesty sharpness that contrasts with the sweetness of the onions and richness of the cheese. Optional bacon and fresh arugula provide smoky and peppery accents. Serving the burgers on brioche buns holds the components together while lending a soft, slightly sweet base.
This combination creates a layered flavor experience with tender meat, sweet and savory onions, creamy cheese, and a flavorful spread. The onions cook until browned to develop caramelization without burning, and the patties are grilled to retain juiciness through careful handling. The horseradish aioli can be prepared ahead, allowing the flavors to meld. These burgers offer a satisfying twist on the classic hamburger that highlights caramelized onion flavors throughout.
For best results, use ground chuck with at least 20% fat for juiciness. The aioli can be made up to two weeks in advance. You can also substitute different onions for caramelizing, such as red or sweet onions. The recipe suggests pressing an indentation in each patty to prevent curling and grilling for approximately 3-4 minutes per side until cooked through.
Ingredients
For the Burgers:
- 1 ½ pounds ground beef 80/20, chuck
- 1 onion soup mix , packet or homemade
Caramelized Onions:
- 2 onion red, sweet or yellow, thinly sliced
- 2 Tablespoons butter
- 1 Tablespoons balsamic vinegar
- 1/2 Tablespoon granulated sugar
- salt to taste
- black pepper to taste
Toppings:
- 6 lices gruyere cheese
- 6 lices Bacon optional, cooked
- arugula or butter lettuce, baby
- 6 Hamburger Bun brioche
Horseradish Aioli:
- 1/2 cup mayonnaise
- 1 Tablespoon horseradish
- 1/2 teaspoon lemon juice fresh
- 1 garlic minced, clove
- 1 dash salt
Instructions
- Make Horseradish Aioli by mixing the ingredients together in a bowl at least 30 minutes (or up to 2 weeks) before assembling burgers.
- Season and form patties: Sprinkle the onion soup mix all over the ground beef and use your hands to gently mix it into the meat (be careful not to over-mix the meat). Divide into 6 equal portions and gently form into 1/2 inch thick patties that are wider than the burger buns (as they will shrink). Use your thumb to press an indentation into the center of each patty. Cover and set aside.
- Make caramelized onions: Melt butter in a large skillet over medium high heat. Add onions to the pan in an even layer and leave them until they begin to brown. Once they start to brown on the bottom, stir in sugar and vinegar. Season with salt and pepper. Cook, stirring occasionally until browned, about 15 minutes.
- Grill burgers: Preheat grill to medium high heat. Place patties on hot grill, indent-side up. Close grill lid and cook for 3-4 minutes, until the bottom of the burger is seared and juices are accumulating on top of the burger. Flip and cook an additional 3-4 minutes or until cooked to desired doneness (130-150 degrees).
- Add cheese on burgers during the last minute of cooking. Remove to a plate and allow to rest for a few minutes before assembling.
- Assemble: Toast burger buns if desired and place a spoonful of aioli on the buns. Top with burger patty, bacon, caramelized onions and arugula or lettuce, then top bun.
- Serve with fries, fresh fruit, or a side salad.
Notes
- Use high-quality ground chuck with at least 20% fat for juicy burgers; a blend of chuck and brisket is also excellent.
- The horseradish aioli can be made ahead and stored for up to two weeks to develop flavor.
- Prepare the burger patties and caramelize the onions in advance to save time when assembling.
Nutrition Information
Show DetailsNutrition Facts
Serving: 6burgers
Amount Per Serving
Calories 574 kcal
% Daily Value*
| Calories | 574kcal | 29% |
| Carbohydrates | 29g | 10% |
| Protein | 39g | 78% |
| Fat | 33g | 51% |
| Saturated Fat | 14g | 70% |
| Polyunsaturated Fat | 5g | 29% |
| Monounsaturated Fat | 11g | 55% |
| Trans Fat | 1g | 50% |
| Cholesterol | 125mg | 42% |
| Sodium | 832mg | 35% |
| Potassium | 552mg | 12% |
| Fiber | 2g | 8% |
| Sugar | 7g | 14% |
| Vitamin A | 399IU | 8% |
| Vitamin C | 4mg | 4% |
| Calcium | 373mg | 37% |
| Iron | 4mg | 22% |
* Percent Daily Values are based on a 2,000 calorie diet.
User Reviews
Overall Rating
5
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