But they can be reheated for a breakfast that warms you up, like a hot oatmeal would. Typically they are served cold, right from the refrigerator. Overnight Oats are served both hot or cold. Either you can mix it all together or layer the different ingredients, like a parfait. Then ingredients like peanut butter, fruit, nuts, and yogurt. Start by combining with oats and milk, which softens the oats. Typically the overnight oats are stored in individual containers so they are easy to serve and enjoy- even on the go! How do you make Overnight Oats Recipes? Then it’s stored in the refrigerator prior to serving. The ingredients are easily just mixed together. Overnight oats are a breakfast dish that is starts with oats, milk, and a few other ingredients. Just grab a container from the fridge, a spoon from the drawer and you’re good to go! What are Overnight Oats? Plus, being able to prepare them in advance helps make your morning that much more easier. There are so many different ways to make them as well, so you’ll never get boared with them. They are hearty, healthy, and so flavorful. Overnight Oats are a delicious way to start your day.