Mom'S Barbecue
["2 Tbsp. margarine", "1 medium onion, chopped", "3 Tbsp. vinegar", "1 c. chili sauce", "1 c. water", "2 Tbsp. brown sugar", "1 tsp. dry mustard", "2 Tbsp. Worcestershire", "1/2 tsp. black pepper", "dash of salt", "1 to 1 1/2 lb. lean chipped ham or boiled ham"]
["Melt margarine and saute onion until browned.", "Add all the other ingredients and simmer for about 20 minutes or until thickened.", "Stir in the ham and heat through.", "Serve on toasted buns."]
["margarine", "onion", "vinegar", "chili sauce", "water", "brown sugar", "dry mustard", "Worcestershire", "black pepper", "salt", "lean chipped ham"]