Ingredients – needs parchment paper in addition to ingredients

3 Red Onion
6 Roma Tomatoes
12 Hamburger Buns
12 Sirloin Patties
36 slices of Bacon
4 tablespoons Sherry Vinegar
3 cups Cheddar Cheese
12 tablespoons Ketchup
6 teaspoons Sugar
Salt & Pepper to taste

Directions:

Wash and dry all produce. Preheat oven to 425 degrees.

Thinly slice onion. Slice tomato into rounds. Split buns in half. Shape beef into 12 evenly sized patties (make them slightly wider than the buns).

Over medium-high heat, cook bacon until desired crispiness. Remove bacon and set aside. Drain fat from pan, leaving a drizzle to lining the pan.

Add onion to same pan and cook, tossing, until soft, 5-6 minutes. Stir in 4 TBSP sherry vinegar and 6 tsp sugar. Simmer until liquid is nearly evaporated, 1-2 minutes. Season wi