1 lb. ground beef
1/2 lb. bacon
1 can pork & beans
1 can great northern beans
1 can kidney beans
1 tbsp. vinegar
1 tsp. salt
1/2 c. onion
1/2 c. brown sugar
1 tsp. mustard
1/2 c. catsup

Heat oven to 300 degrees.

Brown ground beef and bacon. Saute onions. Mix remaining ingredients. Bake, uncovered, 1 hour.