1 lb. ground beef
1 sm. onion, chopped
1/2 c. catsup
1 tsp. mustard
1/4 c. brown sugar, packed
1 (16 oz.) can pork & beans
1/4 c. water

Brown ground beef and drain well. Add onion, cook until they are tender, not brown. Remove from heat. Stir in remaining ingredients. Pour into casserole and bake at 400 degrees for 30 minutes. This reheats well. Serves 6.