Calico Beans - cooking recipe

Ingredients

1 lb. hamburger
1/2 chopped onion
1/4 lb. bacon (bite-size; optional)
1/2 c. brown sugar
1/2 c. ketchup
2 Tbsp. vinegar
1 Tbsp. mustard
1 lb. can butter beans
1 lb. can pinto beans
1 lb. can pork and beans (do not drain)

Preparation

Brown and drain hamburger, onion and bacon.
Stir all together. Bake in baking dish for 1 1/2 hours at 300\u00b0.
Bake uncovered.