Debbie'S Barbecue Sauce
["1 large yellow onion, chopped", "3 Tbsp. oil", "1/2 c. brown sugar", "1 tsp. dry mustard", "1/2 c. water", "1 c. ketchup", "1/2 c. dark Karo syrup", "2 tsp. Worcestershire sauce"]
["Chop onion and saute in oil until tender.", "Add the rest of the ingredients.", "Cook on low heat until thickened."]
["yellow onion", "oil", "brown sugar", "dry mustard", "water", "ketchup", "syrup", "Worcestershire sauce"]