Crispy Fried Onion Burger with Classic Beef Patty

Method

1. Preheat a skillet over medium heat and add olive oil.
2. Add sliced onions and cook until caramelized, about 10 minutes.
3. Form ground beef into 4 patties and season with salt and pepper.
4. Cook patties in the skillet until desired doneness, about 4-5 minutes per side.
5. Toast the burger buns and assemble with lettuce, tomato, and cooked patty.
6. Top with caramelized onions and spread ketchup, mustard, and mayo on the bun.
7. Serve immediately.
8. Check that the ground meat reaches 71°C (160°F) throughout before serving.