“A delicious burger with all the ingredients packed inside, mixed in with the ground beef.” - by Wayne
Ingredients
Adjust Servings
Original recipe yields 6 servings
Directions
- Heat butter in a skillet over medium heat and cook and stir red onion until soft and translucent, about 5 minutes. Mix ground beef, cooked onion, mushrooms, ketchup, egg yolks, Worcestershire sauce, horseradish mustard, black pepper, and sea salt in a large bowl until thoroughly combined.
- Form the mixture into six 3/4-inch thick patties and cook in a large skillet over medium heat until burgers are juicy and browned, 5 to 7 minutes per side. An instant-read meat thermometer inserted into the center of a patty should read at least 160 degrees F (70 degrees C).
Nutrition
Amount Per Serving (6 total)
- Calories
- 499 cal
- 25%
- Fat
- 31.4 g
- 48%
- Carbs
- 12.2 g
- 4%
Based on a 2,000 calorie diet
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