Aunt Mary'S Barbecue Sauce
["1 c. ketchup", "2 Tbsp. mustard", "2/3 c. vinegar", "2 Tbsp. chili powder", "salt to taste", "1 c. packed brown sugar", "1 tsp. horseradish", "1 medium shredded onion", "2 Tbsp. Worcestershire sauce"]
["Mix and cook over medium heat for 10 to 15 minutes."]
["ketchup", "mustard", "vinegar", "chili powder", "salt", "brown sugar", "horseradish", "onion", "Worcestershire sauce"]