Can I Substitute Old Fashioned Oats for Rolled Oats

What's the Difference Between Steel-Cut, Rolled, and Instant Oats?

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(Image credit: Kelli Foster)

Spring, summer, winter, and fall — no matter the season, oatmeal is king of the breakfast table. It's warm, satisfying, and hearty enough to carry us through to lunchtime. Beyond a hot bowl at breakfast, oats show up in pancakes, muffins, cookies, granola bars, and so much more.

All oats start off as oat groats — the whole, unbroken grains. Before being processed into any other variety of oat, groats are usually roasted at a very low temperature. This not only gives the oats their nice toasty flavor, but the heat also inactivates the enzyme that causes oats to go rancid, making them more shelf-stable.

Steel-cut, rolled, and instant oats. (Image credit: Kelli Foster)

The Difference Between Steel-Cut, Rolled, & Instant Oats

The difference between steel-cut, rolled, and instant oats is simply how much the oat groat has been processed. This also results in each variety having a distinct texture and varying cook times.

Steel-Cut Oats (Image credit: Kelli Foster)

Steel-Cut Oats

Also referred to as Irish or Scottish oats, this type of oatmeal is processed by chopping the whole oat groat into several pieces, rather than rolled. Steel-cut oats look almost like rice that's been cut into pieces. This variety takes the longest to cook, and has a toothsome, chewy texture that retains much of its shape even after cooking.

In addition to being used for porridge, steel-cut oats can also be used to make meatloaf and savory congee (a nice alternative to rice), or to add texture to stuffing.

Because of its toothsome texture, rolled or instant oats don't make a good substitute for steel-cut oats.

Recipes with Steel-Cut Oats

Rolled Oats (Image credit: Kelli Foster)

Rolled Oats

Also called old-fashioned or whole oats, rolled oats look like flat, irregularly round, slightly textured discs. When processed, the whole grains of oats are first steamed to make them soft and pliable, then pressed to flatten them.

Rolled oats cook faster than steel-cut oats, absorb more liquid, and hold their shape relatively well during cooking. In addition to be heated for a warm breakfast bowl, rolled oats are commonly used in granola bars, cookies, muffins, and other baked goods.

Instant oats can be used in place of rolled oats, although the cook time will be much less, and the final dish will not have as much texture.

Recipes with Rolled Oats

Instant Oats (Image credit: Kelli Foster)

Instant Oats

Also referred to as quick oats, instant oats are the most processed of the three oat varieties. They are pre-cooked, dried, and then rolled and pressed slightly thinner than rolled oats. They cook more quickly than steel-cut or rolled oats, but retain less of their texture, and often cook up mushy.

Rolled oats can be used in place of instant oats, although it will require more cook time, and the final dish will have more texture.

One Surprising Thing These Oats Have in Common

While these varieties have undergone a different level of processing, resulting in different textures and cook times, there is one thing they all have in common: nutritional value. Steel-cut, rolled, and instant oats all have the same nutritional profile since they're all made from whole oat groats.

This post has been updated – originally published in February 2011.

Kelli Foster

Food Editor, Plan & Prep

Kelli is the Food Editor for Plan & Prep content for Kitchn. She's a graduate of the French Culinary Institute and author of the cookbooks, Plant-Based Buddha Bowls , The Probiotic Kitchen , Buddha Bowls , and Everyday Freekeh Meals . She lives in New Jersey.

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Can I Substitute Old Fashioned Oats for Rolled Oats

Source: https://www.thekitchn.com/whats-the-difference-between-steel-cut-rolled-and-instant-oats-138355

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