Larger air fryers: If you have a larger air fryer, like a tray style model, you can cook this in a single batch instead of in two batches. Storage: You can keep any leftovers in an airtight container in the fridge for 3-4 days, or stored in the freezer for up to 2 months. If freezing, allow the sausage and peppers to cool to room temperature before adding to a plastic freezer bag or freezer container. Then, label and add to the freezer. Reheating: To reheat your leftover sausage and peppers, ...