Argentine-Style Cheeseburger with Quick Tomato Relish

Method

1. Preheat a grill or skillet to medium-high heat.
2. Form the ground beef into 4 equal patties and season with salt and pepper.
3. Cook the patties for 3-4 minutes per side until desired doneness.
4. Place a slice of cheese on each patty and let melt.
5. Toast the hamburger buns briefly.
6. In a small bowl, combine the diced tomato, red onion, olive oil, vinegar, salt, and pepper to make the relish.
7. Assemble the burger by placing the patty with cheese on the bottom bun, adding the relish, and topping with the top bun.
8. Check that the ground meat reaches 71°C (160°F) throughout before serving.