Both steel cut oats and rolled oats are from the same part of the same plant. They're made from oat groats. To make steel cut oats, companies literally cut the oats up with a steel blade. Steel cut! To make rolled oats, they steam the groats, then roll them out. The steaming and the flatter shape are the reasons that rolled oats cook more quickly than steel cut. You're probably familiar with what rolled oats taste like. They're the most common oats you use to make oatmeal. Steel cut oats have a slightly nuttier taste and chewier texture. The taste and texture difference is similar to the difference between brown and white rice. Rolled oats cook up a lot faster, which is why they're more common, but steel cut oats are super tasty and worth the extra time, if you have it! Of course, you can decrease that cooking time by using your Instant Pot to cook your steel cut oats. Plus, you don't have to be there while they're cooking.