Calico Beans

Ingredients

• 6 slices bacon
• 1/2 lb. hamburger
• 1 medium onion, chopped
• 1/2 c. catsup
• 2 tsp. vinegar
• 1 tsp. salt
• 1 (16 oz.) can pork and beans
• 1 (16 oz.) can kidney beans
• 1 (16 oz.) can butter beans, drained
• 3/4 c. brown sugar
• 1 tsp. dry mustard