1 onion, chopped
1/2 lb. bacon, diced
1/2 lb. hamburger
1/2 c. brown sugar
1/2 c. white sugar
1/4 c. ketchup
1 (15 1/2 oz.) can butter beans
1 (15 oz.) can kidney beans
1 (1 lb. 15 oz.) can pork & beans

Fry hamburgers, onions, and diced bacon; drain. Mix rest of ingredients and bake, uncovered, for 1 hour at 350 degrees.