8 slices bacon
1 1/2 c. chopped onion
3 tbsp. vinegar
1/2 c. catsup
1/4 c. firmly packed brown sugar
2 tsp. prepared mustard
1 can (53 oz.) pork & beans

Heat oven to 375 degrees. Fry bacon until crisp; reserve 2 tablespoons drippings in pan. Crumble bacon and set aside. Saute onions in drippings until tender. Combine all ingredients in 3 quart casserole. Bake 30 minutes or until heated through.