Sweet Potato Pie is best when it has cooled, so wait to serve it. Prepare pie crust according to your recipe or package directions. Top it with freshly whipped cream for serving.. A Fall Staple. A simple blend of baked sweet potatoes, evaporated milk and a blend of warm pumpkin pie spices fill a flaky homemade pie crust.. Step 2: Sweet potato pie filling – Using a food processor, process until the filling is smooth and lump and string free. ; You’ll need 1 cup of mashed sweet potato for this recipe. The butter melts easily when the sweet potato is still hot or warm. Tips for making Southern Sweet Potato Pie: I love to use this Flaky Pie Crust recipe, but a store-bought pie crust or your favorite homemade one is just fine. Sweet Potato Pie is deliciously rich and perfect for your Thanksgiving table this year! The best sweet potato pie is made at least a day ahead and chilled. I bake a few medium to large sweet potatoes until they are very soft. I always add the sweet potato meat to the food processor when its still a bit hot but safe enough to touch. Remove from the fridge at least 30 minutes before serving. This easy dessert is a southern classic for good reason!