Hamburger Baked Bean Casserole

2 strips bacon 1 med. onion, chopped 1 lb. hamburger 2 (1 lb.) cans pork & beans 1/2 c. molasses 1/2 c. ketchup 2 tsp. dry mustard 1/2 tsp. salt 1 tbsp. Worcestershire sauce Cut bacon in small pieces. Cook with onion until onion is half cooked, drain off grease. Add meat. Cook until meat is barely done. Add other ingredients and mix well. Pour into Pam sprayed 2 quart baking dish. Bake at 375 degrees for 30 to 40 minutes. Serves about 6.