Mustard Base Barbecue Sauce
["1 small jar mustard", "1 1/2 pt. apple cider vinegar", "1/2 stick margarine", "1 Tbsp. Worcestershire sauce", "black pepper"]
["Bring all ingredients to a boil.", "Simmer for 25 minutes and stir.", "Store in airtight container."]
["mustard", "apple cider vinegar", "margarine", "Worcestershire sauce", "black pepper"]