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spoon taking out a scoop of overnight steel cut oats in mason jar with fresh blueberries
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5 from 5 votes

Overnight Steel Cut Oats

How to make overnight steel cut oats, no cooking required! Vegan and gluten free, with just 4 ingredients required and ready in just 5 minutes of meal prep.
Prep Time10 mins
Total Time10 mins
Course: Breakfast
Cuisine: American
Servings: 4
Calories: 193kcal


  • 1 cup steel cut oats (NOT instant steel cut oats!)
  • 2 cups almond milk (see 1)
  • 1 teaspoon vanilla extract
  • 4 teaspoons maple syrup


  • In four 1.5 cup jars, measure out: ¼ cup steel cut oats, ½ cup almond milk, ¼ teaspoon vanilla extract and 1 teaspoon maple syrup.
  • Stir up and refrigerate for a minimum of 24 hours. Oats are best after 48 hours of soaking.
  • Stir up and enjoy cold as is, or with extra toppings such as fresh berries, yogurt, seeds, nut butter etc.



1- dairy milk can also be used, but almond milk absorbs into the steel cut oats a little better
To thicken
Add 1 tablespoon chia seeds and ¼ cup extra almond milk, OR ¼-1/2 cup greek yogurt (add yogurt to serve as it can hinder milk absorption/softening of the oats).
To soften
These oats are much chewier than traditional steel cut oats, and are best enjoyed after 48 hours. 
If you'd like to reduce the chewiness of these oats, you can soak in boiling water first: cover in boiling water for 5-10 minutes (up to 1 hour if you have it), then drain it off and add the almond milk.
Optional add ins
  • chia seeds- aim for 1 tablespoon per portion
  • peanut butter
  • applesauce
  • pumpkin puree
  • spices (cinnamon, nutmeg)
  • dried fruit- cranberries or blueberries
  • lemon or lime zest
  • fresh fruit (add to serve)
  • collagen or protein powder


Serving: 1jar | Calories: 193kcal | Carbohydrates: 31g | Protein: 7g | Fat: 4g | Sodium: 163mg | Potassium: 15mg | Fiber: 4g | Sugar: 4g | Calcium: 178mg | Iron: 1.7mg