Our delicious, all-natural peanut butter cupcake mix for dogs is perfect for your best friend's birthday, gotcha day or just because it's Tuesday and time to pawty! Made with high quality, real food ingredients that humans can pronounce like rice flour, oat flour and peanut butter. There is no wheat, soy, gluten, xylitol or artificial colors, flavors or preservatives in our pupcakes. It's easy and fun to create a delectable dessert for your dog. Just add water, oil and an egg then bake or microwave. Egg allergies? - simply substitute the egg with 1/4 cup unsweetened applesauce. ​ Contains 1- 7.5 Ounce Box of Barley's Bakes Peanut Butter Flavored Cupcake Mix for Dogs. Our Cupcake Mixes make 8 cupcakes, 16 mini cupcakes, 1 6" cake or 1 novelty-shaped cake (bone or paw).