1 lb. hamburger
2 tbsp. butter, melted
1 pkg. onion soup mix
2 (#303) cans pork and beans
1 (#303) can kidney beans, drained
1 c. catsup
1/2 c. water
2 tbsp. mustard
2 tsp. vinegar
2 tbsp. taco sauce
3 tsp. brown sugar

Brown meat in butter. Combine meat with remaining ingredients; pour into a 2 1/2 quart baking dish. Bake at 400 degrees for 45 minutes or until hot and bubbly.