BEAN HAMBURGER CASSEROLE

1/2 lb. bacon
1/2 lb. hamburger
1 (16 oz.) can Lima beans
1 (16 oz.) can kidney beans
1 (16 oz.) can pork & beans
1/2 c. onion, chopped
1/2 c. ketchup
1 tbsp. vinegar
1 tbsp. mustard

Brown hamburger and onion and drain. Brown bacon and drain. Mix together with the rest of the ingredients. Bake at 350 degrees for 45 minutes, covered.