Yes, you can freeze the porridge in a freezer-safe container for up to 3 months. When reheating, add additional milk or soy milk if needed. Since this recipe only takes 10 minutes, it’s easy to make fresh and you may find it tastes the best this way. You could also place leftovers in an ice cube tray then add a few cubes to your favorite smoothie recipe as a way to enjoy it’s goodness in a new way.