Question: what is the difference between whole grain oats and whole grain rolled oats?
Answer: Here's why—all oats start as whole oat groats, but they're processed to cut down on cook time. ... Oat groats, the least processed type of oat, resemble farro or wheat berries. Rolled oats, which are steamed and flattened, are more processed. While they are both the same oat, processing methods change their surface areas.