1 lb ground beef (80/20 or leaner)

1/2 small onion, finely chopped

2 cloves garlic, minced

1/2 cup ketchup

1/4 cup steak sauce (such as A1 Sauce or homemade)

1 tbsp Worcestershire sauce

1 tbsp Dijon mustard

1/2 tsp smoked paprika

1/2 tsp salt (adjust to taste)

1/2 tsp black pepper

1/4 cup beef broth or water (if needed, for consistency)

4 burger buns, toasted

4 slices cheddar cheese (or Swiss, provolone, or American)

1 tbsp butter (for toasting buns, optional)

Pickles, lettuce, tomato, or crispy onions for toppings (optional)