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Slow Cooker Steel Cut Oats

Slow Cooker Steel Cut Oats

This slow cooker steel cut oats recipe uses simple, inexpensive pantry ingredients to prepare a delicious healthy breakfast. Make a big batch on the weekend, store portions in the fridge or freezer for quick heat, and eat breakfast all week!
3.50 from 2 votes
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Course: Breakfast, breakfast recipe
Cuisine: American
Keyword: crockpot steel cut oats, slow cooker steel cut oats, steel cut oatmeal
Prep Time: 5 minutes
Cook Time: 6 hours
Total Time: 6 hours 5 minutes
Servings: 8
Calories: 188kcal


  • 1 tablespoon unsalted butter or coconut oil
  • 2 cups steel-cut oats
  • 6 cups water
  • 2 cups unsweetened almond milk or use your favorite milk
  • 2 teaspoons pure vanilla extract optional
  • 1 teaspoon ground cinnamon optional
  • 1/2 teaspoon salt optional


  • Spray the insert of the slow cooker liberally with cooking spray.
  • Heat 1 tablespoon of butter or coconut oil in a medium saute pan. Once the butter melts, then add in the steel cut oats.
  • Cook for 1-2 minutes or until fragrant and toasty.
  • Add the oats, water, milk, pure vanilla extract, ground cinnamon, and salt to the slow cooker. Give it a couple of stirs.
  • Cover and cook on low for 4 hours and then on warm for 2 hours. If you can stir it a couple of times while it cooks, it will help prevent the oats from sticking and burning.
  • Serve with your favorite sweetener and toppings.


Cooking Notes

You can use all water, instead of the 2 cups of milk, in this recipe. 

Storing and Reheating tips

Steel-cut oats store and reheat perfectly, making it great for weekly meal prep.
To store in the refrigerator, place the cooked and cooled steel-cut oats into glass meal containers. You can use a large or container or portion it out into smaller ones. To reheat the oatmeal, put it into a microwave-safe dish and heat on high for 1-2 minutes or until hot. Add your favorite oatmeal toppings and enjoy.
To freeze steel-cut oatmeal, portion out into 1-cup Souper cube trays and freeze. After the steel-cut oats are frozen, remove the blocks from the trays and place them into a labeled gallon-sized freezer bag. 
You can also freeze into portions using quart-size freezer bags.
To reheat, remove the oatmeal from the plastic bag and place it into a microwave-safe dish. Heat on high for 2-3 minutes or until hot. Top with your favorite toppings and enjoy.


Serving: 1cup | Calories: 188kcal | Carbohydrates: 42g | Protein: 3g | Fat: 2g | Fiber: 5g | Sugar: 27g