2 tablespoons finely chopped onion
2 tablespoons ketchup
1 garlic clove, minced
1 teaspoon sugar
1 teaspoon Worcestershire sauce
1 teaspoon steak sauce
1/4 teaspoon cider vinegar
1 pound ground beef
4 slices sharp cheddar cheese
4 hamburger buns, split and toasted
8 cooked bacon strips
Optional toppings: lettuce leaves and tomato, onion and pickle slices
In a large bowl, combine the first seven ingredients. Crumble beef over mixture and mix well. Shape into four patties.
Grill burgers, covered, over medium heat or broil 3 in. from the heat for 4-7 minutes on each side or until a thermometer reads 160° and juices run clear.
Top with cheese. Grill 1 minute longer or until cheese is melted. Serve on buns with bacon and toppings of your choice.