Argentinian Burger with Sweet Onions and Mayonnaise

Method

1. Preheat grill or skillet to medium-high heat.
2. In a bowl, mix ground beef with olive oil, garlic powder, onion powder, salt, and pepper.
3. Form the mixture into 4 equal patties.
4. Cook patties for 4-5 minutes per side, or until desired doneness.
5. Place cheese on top of each patty during the last minute of cooking.
6. Heat olive oil in a pan and cook onions until caramelized, about 10 minutes.
7. Toast the buns on the grill or in a toaster.
8. Assemble the burgers with lettuce, tomato, caramelized onions, and mayonnaise.
9. Check that the ground meat reaches 71°C (160°F) throughout before serving.