Cook the Beef:
Heat a large skillet over medium heat. Add the ground beef and cook, breaking it apart with a spatula, until browned and no longer pink. Drain excess grease if necessary.Add Aromatics:
Stir in diced onion and minced garlic. Cook for 2–3 minutes until the onion softens and becomes fragrant.Make the Sauce:
Add ketchup, tomato paste, brown sugar, Worcestershire sauce, mustard, salt, and pepper. Stir well to combine.Simmer:
Reduce the heat to low and let the mixture simmer for 10–15 minutes, stirring occasionally, until the sauce thickens and coats the meat evenly.Assemble and Serve:
Spoon the saucy beef mixture onto toasted burger buns. Serve immediately with fries, coleslaw, or a crisp green salad.
