Oats, whole grain, steel cut
Whole food · Cereal Grains and Pasta
Photo: Wikipedia
Steel-cut oats are whole oat groats chopped into small, pinhead-sized pieces, giving them a distinctive chewy, hearty texture and a nutty, toasty flavor. Unlike rolled oats, they cook into a porridge with a satisfying, almost al dente bite. Nutritionally, they are a powerhouse of complex carbohydrates and plant-based protein for sustained energy.
Calorie split: 13% protein · 73% carbs · 14% fat
↓ Full nutrition💚 Why it's loved
People love steel-cut oats for their robust, chewy texture and deep, nutty flavor that feels more substantial than instant varieties. Their versatility shines in both sweet breakfast porridges and savory dishes, making them a beloved staple in many cultures.
⚠️ Watch-outs & how to enjoy it better
Steel-cut oats have a lower glycemic index than instant oats but can still cause blood-sugar spikes if eaten alone in large portions. They also contain phytic acid, which can inhibit mineral absorption. To counteract this, pair them with protein (like nuts or yogurt) or fat (like nut butter), and consider soaking them overnight before cooking to reduce phytates.
Key benefits
- Provides sustained energy release from complex carbohydrates
- Good source of plant-based protein (12.5g per 100g dry)
- Contains key minerals like manganese, phosphorus, and magnesium
- Naturally low in fat and sodium
- A whole grain that supports digestive health
🍽️ Popular dishes
🌍 Where it's eaten
💡 Did you know?
The process of 'cutting' the oat groat with steel blades was patented in the 1880s, revolutionizing oatmeal by drastically reducing cooking time compared to whole groats.
Full nutrition (USDA data · scales with serving)
| Water | 10.1 g |
| Energy (Atwater General Factors) | 381 kcal |
| Energy (Atwater Specific Factors) | 379 kcal |
| Nitrogen | 2.1 g |
| Protein | 12.5 g |
| Total lipid (fat) | 5.8 g |
| Ash | 1.8 g |
| Carbohydrate, by difference | 69.8 g |
| Total dietary fiber (AOAC 2011.25) | 11.9 g |
| High Molecular Weight Dietary Fiber (HMWDF) | 11.2 g |
| Low Molecular Weight Dietary Fiber (LMWDF) | 0.70 g |
| Beta-glucan | 5.4 g |
| Starch | 54.9 g |
| Calcium, Ca | 51.3 mg |
| Iron, Fe | 3.8 mg |
| Magnesium, Mg | 129 mg |
| Phosphorus, P | 417 mg |
| Potassium, K | 376 mg |
| Sodium, Na | 0.31 mg |
| Zinc, Zn | 2.8 mg |
| Copper, Cu | 0.41 mg |
| Manganese, Mn | 3.4 mg |
| Selenium, Se | 29.0 ug |
| Molybdenum, Mo | 164 ug |
| Thiamin | 0.33 mg |
| Niacin | 0.93 mg |
| Vitamin B-6 | 0.12 mg |
| Biotin | 22.0 ug |
| Folate, total | 30.0 ug |
Fat & fatty acid profile (per 100g)
Estimated from Oats (Includes foods for USDA's Food Distribution Program) — USDA does not publish this profile for Oats.
| Fatty acids, total saturated | 1.2 g |
| SFA 12:0 | 0.02 g |
| SFA 14:0 | 0.01 g |
| SFA 16:0 | 1.0 g |
| SFA 18:0 | 0.07 g |
| Fatty acids, total monounsaturated | 2.2 g |
| MUFA 16:1 | 0.01 g |
| MUFA 18:1 | 2.2 g |
| Fatty acids, total polyunsaturated | 2.5 g |
| PUFA 18:2 | 2.4 g |
| PUFA 18:3 | 0.11 g |
| Cholesterol | 0.00 mg |
Amino acid profile (per 100g)
Estimated from Oats (Includes foods for USDA's Food Distribution Program) — USDA does not publish this profile for Oats.
| Tryptophan | 0.23 g |
| Threonine | 0.57 g |
| Isoleucine | 0.69 g |
| Leucine | 1.3 g |
| Lysine | 0.70 g |
| Methionine | 0.31 g |
| Cystine | 0.41 g |
| Phenylalanine | 0.90 g |
| Tyrosine | 0.57 g |
| Valine | 0.94 g |
| Arginine | 1.2 g |
| Histidine | 0.41 g |
| Alanine | 0.88 g |
| Aspartic acid | 1.4 g |
| Glutamic acid | 3.7 g |
| Glycine | 0.84 g |
| Proline | 0.93 g |
| Serine | 0.75 g |
FAQ
What's the difference between steel-cut and rolled oats?
Steel-cut oats are whole groats chopped into pieces, while rolled oats are steamed and flattened. Steel-cut oats are chewier, take longer to cook, and have a lower glycemic index.
How long do steel-cut oats take to cook?
Typically 20-30 minutes of simmering on the stovetop. You can reduce this by soaking them overnight or using a pressure cooker.
Can I use steel-cut oats in baking?
They are not ideal for most baking (like cookies) as they don't absorb moisture the same way as flour or rolled oats, but they can be used in granola bars or as a textural add-in.
Nutrient density (calculated · NRF9.3)
Nutrient Rich Foods index: beneficial nutrients (protein, fiber, vitamins, minerals) minus saturated fat, added sugar & sodium, per 100 kcal.
NRF9.3 index — Fulgoni, Keast & Drewnowski, 2009. Computed from USDA nutrients.
Weight-loss friendliness (composite index)
Energy density 3.81 kcal/g · 13% calories from protein · 0.0 g fiber · 0.0 g sugar per 100 g.
Composite of energy density (Rolls et al., 1999), protein & fiber satiety, minus sugar. A calculated heuristic — ranks satiety-per-calorie, not a clinical measure.
Dietary load (calculated from USDA values)
Potential renal acid load. Positive = acid-forming, negative = alkaline-forming.
Sodium-to-potassium ratio: 0.00 (lower is better — aim for ≤ 1)
Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.