Refrigerator: store in an airtight container for up to 5 days. Freezer:  Layer between parchment paper in a freezer-safe ziplock or container to make it easy to remove individual patties. Enjoy within 3 months of freezing. To reheat: either microwave on a microwave-safe plate or skillet cook to temperature from frozen. You can also let them defrost in the fridge overnight before heating.