If you're looking for a cupcake that's high in protein, these peanut butter cupcakes are perfect for you. Made with a combination of whole wheat flour and protein powder, they are a great post-workout treat. The cupcakes are flavored with natural peanut butter and sweetened with a touch of honey or maple syrup. Top them with a peanut butter frosting made from Greek yogurt for a creamy and protein-rich indulgence.