Ingredients
1 tbsp. vegetable oil
1 onion, chopped
2 bell peppers, chopped
1 Garlic clove, minced
1 lb. ground beef
1/2 c. beef broth
2 tbsp. ketchup
1 tbsp. Worcestershire sauce
1 tbsp. brown sugar
kosher salt
Freshly ground black pepper
4 slices provolone
4 Hamburger buns
Preparation
Step 1In a large skillet over medium heat, heat vegetable oil. Add onion and bell peppers and cook, stirring often, until softened, about 5 minutes. Step 2Stir in the garlic and cook until fragrant, about 30 seconds, then add the beef. Cook until no longer pink, 6 to 8 minutes. Drain fat.Step 3Stir in beef broth, ketchup, brown sugar, and Worcestershire and season generously with salt and pepper. Simmer until most the liquid has reduced and the mixture is thick, 5 minutes. Step 4Top beef with provolone and cover skillet with a tight-fitting lid to melt, about 2 minutes. Step 5Remove from heat and serve cheesy ground beef mixture in hamburger buns. Serve warm.
