Three Bean Casserole

1 can butter beans
1 can pork and beans
1 can kidney beans
1 lb. hamburger
1 onion
1/2 lb. bacon
1/2 c. brown sugar
1/2 c. white sugar
1/2 tsp. dry mustard
1/2 c. ketchup

Brown hamburger with onion. Mix with rest of ingredients and bake for 1-1/2 hours at 350º.

Submitted by Rose Betow, Sauk Centre