This is no ordinary brownie recipe. It’s made with a super secret ingredient — sweet potato! Sweet potatoes are undeniably delicious, loaded with nutrients and naturally gluten-free. If you’re looking for the perfect chocolatey, fudgy brownie with that beautiful shiny, crackly top, this Baking Therapy recipe was made for you.Related: These Viral Upside Down Puff Pastry Tarts Are Too Easy!