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HUB 01 · Multicookers

How to Cook Oatmeal in an Instant Pot

Steel-cut oats are the one breakfast the Instant Pot genuinely improves: creamy, hands-off, and done while you get ready. Rolled oats are a different story. Here is the ratio and time for steel-cut, when to skip the pressure for rolled, and how to keep oats from foaming up the valve.

By Stephen V.Updated How we rank
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Steel-cut is where the Instant Pot shines

Steel-cut oats normally need 20–30 minutes of stirring on the stove, which is exactly the kind of slow, watchful job the Instant Pot takes over. Under pressure they come out creamy and evenly cookedwith no stirring and no pot to scrub, and you can walk away while they finish. Rolled (old-fashioned) oats are the opposite — they cook in a couple of minutes anyway, so pressurizing them is more hassle than it saves. This is one of the quietly useful entries in what you can cook in an Instant Pot, and the rice-cooker version is over in how to cook oatmeal in a rice cooker.

Steel-cut oats: 1:3, about 4 minutes

The reliable ratio is 1 cup steel-cut oats to 3 cups water (use a little more water for creamier oats, less for firmer). Add a pinch of salt, stir once so nothing sits on the base, lock the lid, and pressure cook on high for about 4 minutes. Then — and this part matters — let the pressure come down with a full natural releasefor 10–15 minutes. Oatmeal is starchy and foamy, and a quick release can spit hot oat liquid out of the valve. When you open it, the oats will look loose; stir, and they thicken as they sit. Top with fruit, nuts or a swirl of milk.

Rolled oats: do them on Sauté instead

For old-fashioned rolled oats, skip the pressure. Set the pot to Sauté, bring roughly 1 part oats to 2 parts water or milkto a simmer, stir for 3–5 minutes until thick, and switch it off. It is faster than waiting for the pot to come to pressure and release, and you avoid the foam risk entirely. Think of pressure as the tool for the tough, slow grain (steel-cut) and Sauté as the tool for the quick one (rolled).

The anti-foam and no-scorch rules

Two cautions keep oatmeal easy. First, do not overfill— oats foam a lot, so keep the pot no more than half full and always use the natural release, never a fast one. Second, if you like oats made with milk, note that milk and thick add-ins scorch on the base under pressure; cook the oats in water first and stir the milk, sweetener or mashed banana in after, or you risk the Burn message. For steel-cut specifically, a splash of milk stirred through at the end is the safest way to get a creamy bowl. See the cooking-times reference for how oats sit alongside other grains.

The hardware

The cookers this page is about

The cookers referred to above, with prices pulled live from Amazon and dated on every card. Full rankings live in the roundups linked from this page.

  • Instant Pot Instant Pot Duo 7-in-1 Electric Pressure Cooker, 6 Quart

    1,000 W

    Instant Pot Duo 7-in-1 Electric Pressure Cooker, 6 Quart

    The multicooker that made the category, and still the right default. Instant Brands publishes the wattage, the working pressure range and a stainless (not nonstick) inner pot, which is more than most of the field manages — and it costs less than almost all of them.

  • Instant Pot Instant Pot Duo Mini 7-in-1, 3 Quart Electric Pressure Cooker

    700 W

    Instant Pot Duo Mini 7-in-1, 3 Quart Electric Pressure Cooker

    The Duo shrunk to 3 quarts. It is the right size for one or two people, for a dorm or an RV, or as a second pot for a side dish while the big one does the main. The same 7-in-1 function set, the same stainless pot, in a footprint that actually fits a small kitchen.

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Questions

Frequently asked

How long does steel-cut oatmeal take in an Instant Pot?
About 4 minutes at high pressure, plus the time to come to pressure and a 10 to 15 minute natural release. Use 1 cup steel-cut oats to 3 cups water. Always let it release naturally rather than quick-releasing, because oats are foamy and can spit through the valve.
Can you cook rolled (old-fashioned) oats in an Instant Pot?
You can, but there is little point in pressurizing them because they cook in a couple of minutes anyway. The easier way is to make them on the Saute setting: simmer about 1 part oats to 2 parts water or milk for 3 to 5 minutes, stirring, then switch off. Save the pressure function for slow steel-cut oats.
Why did my Instant Pot oatmeal burn or foam?
Foaming comes from a quick release or an overfilled pot — use a natural release and keep the pot under half full. Scorching comes from cooking oats in milk or with thick sweeteners, which catch on the base under pressure. Cook in water and stir milk or sugar in afterward. See the Burn message guide.

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