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–+ servings

French Onion Burger Recipe

Lori Mauer
This French Onion Burger recipe transforms the humble hamburger into a delectable taste sensation!
5 from 2 votes
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Main Course
Cuisine American
Servings 4 servings
Calories 565 kcal

Ingredients
  

  • 2 tablespoons unsalted butter
  • 1 large yellow onion thinly sliced
  • 1/2 teaspoon sugar
  • 1 teaspoon balsamic vinegar
  • Salt and pepper to taste
  • 1 package (1 ounce) onion soup mix
  • 1 pound ground beef 80/20 mix
  • 4 slices Swiss cheese
  • 4 hamburger buns

Instructions
 

  • Melt butter in a skillet over medium heat. Add sliced onions, sprinkle with sugar, and cook, stirring occasionally, until onions are golden brown and caramelized, about 20-30 minutes.
  • Deglaze the pan with balsamic vinegar and season with salt and pepper. Set aside.
  • Mix the onion soup mix into the ground beef and shape the ground beef into 4 equal patties. Season with additional salt and pepper if desired.
  • Cook on a preheated grill or skillet over medium-high heat for about 4-5 minutes per side or until desired doneness. Place a slice of Swiss cheese on each patty during the last minute of cooking to melt.
  • Toast the hamburger buns lightly. Place a cheese-topped patty on each bun bottom, add a generous amount of caramelized onions, and cover with the bun tops. Serve immediately.

Nutrition

Calories: 565kcalCarbohydrates: 30gProtein: 30gFat: 35gSaturated Fat: 16gSodium: 322mgFiber: 1g
Keyword French Onion Burger
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