Dr. Pepper Sweet & Kickin' Barbecue Sauce. Give your BBQ a kick with the 23 flavors of Dr Pepper combined with the slow-simmered, sweet and spicy seasonings. Our BBQ sauce is perfect for basting, marinating, or dipping. Experience the big, bold flavor of the Dr Pepper taste you love in every bite. Barbecue sauces flavored with soda are a great American tradition. This one features the granddaddy of American soft drinksóDr Pepper. A pharmacist named Charles Alderton combined spices, sweeteners, and carbonated water to come up with this uniquely American sauce. His sweet, tart, aromatic soda possesses just the flavor profile you want in a barbecue sauce.