Three Bean Casserole - cooking recipe

Ingredients

1 can drained kidney beans
1 can drained butter beans
2 cans pork and beans
1/2 lb. bacon, cut in small pieces (uncooked)
1 c. brown sugar
1/4 tsp. mustard
2 Tbsp. vinegar
1 onion, cut in rings

Preparation

Mix all ingredients.
Bake at 325\u00b0 for 1 1/2 hours.