Best Baked Beans!

(from Tammy Houser)

1/2 lb. hamburger
1/2 lb. bacon
1 small onion, chopped
cook together until meat is browned.
add:
15 oz. can butter beans
15 oz. can kidney beans
15 oz can pork and beans
1/2 c. brown sugar
1/2 c. white sugar
1/4 c. ketchup
1/2 t. dry mustard
bake together until warmed through and all the flavors mix together!!!