Storage & ReheatingWrap individually in foil and store in the fridge for up to 4 days, or freeze for up to 3 months. If frozen, allow to thaw overnight in the fridge before reheating. Remove foil and microwave for 30-60 seconds, then finish in the air fryer at 180°C (350°F) for 3-4 minutes to crisp the bun back up.