1/2 c. chopped onions
1 1/2 tbsp. vegetable oil
1/2 lb. cooked and cubed ham
1 lb. 14 oz. can pork and beans
1 (8 oz.) can tomato sauce
1 tbsp. Worcestershire sauce
1 tsp. prepare mustard
2 tbsp. brown sugar

Saute onions and meat in oil until onions are golden. Mix in remaining ingredients. Pour into a baking dish; bake at 350 degrees, uncovered, for 30 to 45 minutes.