A good savory pie should be hot in the middle with pastry that still has a little crunch. The best reheating method depends on whether you have a whole pie or a single slice, and how much time you have. An oven gives the most even result, while an air fryer is handy for smaller portions. The microwave works in a pinch, but needs a little care to avoid soggy pastry.
Use the Oven for Best Results
Heat your oven to 350°F. Place a refrigerated pie or slice on a baking sheet, ideally on parchment to catch any filling that bubbles out. Warm a slice for about 15–20 minutes, or a whole pie for 25–35 minutes. Timing varies with the pie’s size and your oven, so check that the center is thoroughly hot before serving.
If the pastry is browning too quickly, loosely cover it with foil for part of the reheating time. Remove the foil for the last few minutes to help the crust crisp up again. Let the pie rest briefly before cutting; the filling will be very hot, and resting also helps it settle.
Try an Air Fryer for a Slice
An air fryer can bring back a crisp crust without heating a full oven. Preheat it to 320°F, then place a slice in the basket with space around it for airflow. Heat for about 6–10 minutes, checking near the end. If the top is already well browned, lower the temperature slightly and continue until the center is hot.
Avoid stacking slices or crowding the basket, since that can leave the pastry unevenly crisp. For a large or thick slice, use a lower temperature and give it extra time. Air fryer models differ, so treat the timing as a guide and check the pie before eating.
Use the Microwave Carefully
The microwave heats the filling quickly, but it can soften pastry. For one slice, place it on a microwave-safe plate and heat in short bursts of 30–45 seconds. Check the center between bursts and stop once it is hot. A shorter first burst helps prevent the edges and filling from becoming overly hot while the middle stays cool.
For a crisper finish, transfer the warmed slice to a hot oven or air fryer for a few minutes. Don’t put foil or metal in the microwave. If you only have a microwave, expect softer pastry and use a lower power setting when available.
Reheat Safely and Evenly
Reheat only the portion you plan to eat, and avoid warming the same pie repeatedly. Keep leftovers refrigerated and follow any storage guidance that came with the pie. Before serving, check the center rather than relying on a browned crust as a sign that the filling is hot.
Frozen pie needs more time than refrigerated pie. If the packaging gives reheating instructions, use those first because size, filling, and pastry can change the timing. Otherwise, thaw it safely in the refrigerator before reheating, then use the oven method and check that the center is thoroughly hot.
For crisp pastry and an evenly warmed center, choose the oven when you have time; use an air fryer for a slice and the microwave only when speed matters most. Check the center before serving, and give the pie a short rest. With the right approach, leftovers can be every bit as inviting as the first slice.