Bistro-Style Onion Havarti Burgers
Bistro-Style Onion Havarti Burgers layer juicy, soup-mix–seasoned beef with buttery caramelized onions and tender mushrooms for deep, sweet-savory flavor. Creamy Havarti melts over the patties, and a swipe of mayonnaise adds richness, making these ideal for a relaxed weeknight dinner or a casual weekend cookout.
- Prep10 hrs
- Cook10 hrs
- Serves6
- DifficultyEasy
- 1
Heat a large skillet over medium heat. Set the hamburger bun halves, cut-sides down, in the hot skillet and toast until lightly browned, 2 to 3 minutes. Transfer the toasted buns to a plate.
- 2
Preheat an outdoor grill to medium heat. Melt butter in a large saucepan over medium heat on the grill. Add the mushrooms and onions; season with salt and black pepper, then cook and stir until the mushrooms are lightly browned, about 20 minutes.
- 3
Meanwhile, combine the ground beef and onion soup mix in a bowl with your hands. Shape the mixture into 6 hamburger patties.
- 4
Lightly oil the grill grates. Grill the burgers for about 5 minutes, then flip and continue grilling to your preferred doneness. A meat thermometer inserted into the center of the patties should register 180 degrees F (82 degrees C).
- 5
Take the burgers off the heat and let them rest for 5 minutes. Spread each bun with 1 tablespoon mayonnaise, place the burgers on the buns, and divide the mushrooms and onions over the burgers to serve.
- Calories 897.81 kcal High
- Protein 40.41 g Good Source
- Carbs 37.56 g Moderate
- Total Fat 62.31 g High
- Saturated Fat 26.67 g High
- Trans Fat 0.0 g Low Source
- Cholesterol 173.86 mg High
- Sodium 809.08 mg High
- Fiber 3.99 g Moderate
- Sugar 3.17 g Moderate
- Added Sugar 2.67 g Moderate
- Calcium 440.13 mg Good Source
- Iron 5.45 mg Good Source
- Potassium 347.02 mg Low Source
- Vitamin A 76.98 mcg_rae Low Source
- Vitamin C 0.07 mg Low Source
- Vitamin D 1.99 mcg Low Source
Values are per serving. Percent Daily Values are based on a 2,000-calorie diet.
- Milk 🥛
- Wheat 🌾
- Gluten
- Onions 🧅