Sometimes food is hard to describe because of its unique flavor. Not so with Sweet potato Pie. Sweet potato pie tastes very similar to pumpkin pie, especially when you consider that it has a lot of the same ingredients found in pumpkin pie. Both pies have a velvety texture, although sweet potato pie can have a stringy texture if not prepared properly. Additionally, both pumpkin pie and sweet potato pie usually contain similar spices (cinnamon, ginger, nutmeg, cloves, and allspice).