French Onion Burgers
Elevate your burger game with these indulgent French Onion Burgers—a gourmet twist on a classic favorite! Juicy, perfectly seasoned beef patties are topped with rich, melty Gruyère cheese and a luscious layer of sweet, caramelized onions cooked to golden perfection. A zesty homemade aioli, infused with Dijon mustard, fresh thyme, and Worcestershire sauce, adds a tangy kick to every bite. Sandwiched between lightly toasted buns, these burgers deliver a symphony of savory, umami flavors reminiscent of the iconic French onion soup. Perfect for a comforting weeknight meal or an impressive weekend cookout, this recipe is both easy to prepare and utterly irresistible. Pair with crispy fries or a fresh salad to complete the ultimate burger experience!
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Recipe Information
Ingredients
- 1 pound ground beef
- 2 large yellow onions
- 3 tablespoons butter
- 1 tablespoon olive oil
- 1.5 teaspoons salt
- 0.5 teaspoon black pepper
- 4 slices gruyère cheese
- 4 hamburger buns
- 0.25 cup mayonnaise
- 2 teaspoons Dijon mustard
- 1 teaspoon Worcestershire sauce
- 0.5 teaspoon fresh thyme leaves
- 0.25 cup beef broth
- 1 teaspoon sugar
Instructions
Peel and thinly slice the onions.
In a large skillet, melt the butter with olive oil over medium heat. Add the onions, salt, and sugar. Stir well to coat the onions.
Cook the onions over medium-low heat, stirring occasionally, until they are golden brown and caramelized, about 25 minutes. If the skillet becomes too dry, add a splash of beef broth to deglaze and prevent burning.
While the onions cook, prepare the burger patties. In a mixing bowl, combine the ground beef, 1 teaspoon salt, and 1/2 teaspoon black pepper. Form the mixture into four even patties.
In a small bowl, mix together the mayonnaise, Dijon mustard, Worcestershire sauce, and thyme to create the aioli. Set aside.
Heat a skillet or grill pan over medium-high heat. Cook the burger patties for 3–4 minutes on each side, or until they reach your desired doneness.
During the last minute of cooking, place a slice of Gruyère cheese on each patty and cover the skillet with a lid to melt the cheese.
Toast the hamburger buns lightly in a toaster or on a dry skillet.
Spread the aioli evenly on the bottom halves of the buns. Place the burger patties on top, followed by a generous portion of caramelized onions. Top with the other half of the bun.
Serve the French Onion Burgers immediately, paired with your favorite sides like crispy French fries or a fresh salad.
Nutrition Facts
Calories |
712 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 57.4 g | 74% | |
| Saturated Fat | 22.4 g | 112% | |
| Polyunsaturated Fat | 0.3 g | ||
| Cholesterol | 127 mg | 42% | |
| Sodium | 1421 mg | 62% | |
| Total Carbohydrate | 22.7 g | 8% | |
| Dietary Fiber | 15.4 g | 55% | |
| Total Sugars | 4.4 g | ||
| Protein | 40.4 g | 81% | |
| Vitamin D | 0.4 mcg | 2% | |
| Calcium | 264 mg | 20% | |
| Iron | 4.1 mg | 23% | |
| Potassium | 373 mg | 8% | |
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
