There's something about the holidays that make us all itch to get into the kitchen and bake. Sweet Potato Coffee Cake is a tried and true breakfast cake that isn't too sweet. It has loads of sweet potato flavor and is best enjoyed while it's warm, making it ideal for a cold morning. The secret ingredient, Crisco vegetable oil, ensures that this coffee cake will stay moist. Whether you make this coffee cake for breakfast or a mid-afternoon snack, I'm certain you will enjoy it.