2 lbs. ground chuck
1 c. Cheddar cheese, shredded
3 tbsp. ketchup
1 egg, beaten
1/2 tsp. pepper
1/4 c. onion, chopped
3 tsp. Worcestershire sauce
1 tsp. (or less) of salt
10 bacon slices

Mix all above ingredients (except bacon). Wrap bacon around formed patties. Grill and serve. Makes 10 patties.