Barbecue Bean Bake

1 lb. ground beef
1 onion, chopped
1/2 c. barbecue sauce
4 tbsp. mustard
4 tbsp. molasses
1 tsp. chili powder
3/4 tsp. pepper
1 tsp. salt
1/2 c. ketchup
1 lb. bacon, chopped
2 (16 oz.) cans red kidney beans
2 (16 oz.) cans pork & beans
2 (16 oz.) cans butter beans

Brown beef and bacon and onions. Drain excess fat. Combine and add all other ingredients except beans. Stir well. Add beans and combine thoroughly. Bake for one hour at 350 degrees.