1/2 c. chopped onion
4 tbsp. butter or bacon grease
1 medium can pork and beans
1 c. brown sugar
1 tbsp. mustard
1/2 c. ketchup
salt and pepper to taste

In large skillet, sauté onion in butter. Pour pork and beans into skillet. Add remaining ingredients. Bring to a boil and then reduce to a simmer for 10 minutes.