Calico Bean Casserole
["1/4 lb. bacon", "1 lb. ground beef", "1/2 c. chopped onion", "1/2 c. brown sugar", "1/2 c. ketchup", "2 Tbsp. vinegar", "1 Tbsp. prepared mustard", "1 tsp. salt", "1 medium can butter beans", "1 medium can kidney beans", "1 large can pork and beans"]
["Brown onion, beef and bacon.", "Add all other ingredients, draining some of the liquid off the beans before adding.", "Bake at 350\u00b0 for 50 minutes."]
["bacon", "ground beef", "onion", "brown sugar", "ketchup", "vinegar", "mustard", "salt", "butter beans", "kidney beans", "pork"]