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Close up image of slow cooker oats topped with apple slices and walnuts.

Slow Cooker Vegan Steel Cut Oats with Apples & Cinnamon

  • Author: Katie
  • Prep Time: 5 minutes
  • Cook Time: 7.5 hours
  • Total Time: 39 minute
  • Yield: 4-6 servings 1x
  • Diet: Vegan


Make yourself a batch of these ultra creamy, slow cooker steel cut oats.  Breakfast will cook all night while you sleep and you will wake up to a warm, freshly-cooked meal and a kitchen that smells like fresh baked apple cinnamon muffins. 


  • 1 1/2 cups steel cut oats
  • 3.5 cups water
  • 2 cups unsweetened vanilla almond milk
  • 1/2 cup pure maple syrup
  • 1 teaspoon vanilla extract
  • 1 teaspoon ground cinnamon
  • 1 cup chopped apple
  • Cooking spray
  • Optional - walnuts, brown sugar 


  1. Spray the inside of your slow cooker with non-stick cooking spray.
  2. Add all of your wet ingredients to the slow cooker first.  This includes the water, almond milk, maple syrup and vanilla extract.  
  3. Next add the steel cut oats, ground cinnamon and the chopped apple.
  4. Put the lid on your slow cooker and cook on low for 7.5 hours or high for 3.5 hours. 
  5. At the end of cook time, give the oatmeal a good stir.  Top with walnuts and brown sugar.  Enjoy!


  • Don't forget the non-stick cooking spray!  This is an absolute must. 
  • If you want to make this recipe gluten free, just make sure you are using certified gluten free steel cut oats.
  • If you don't care about this recipe being vegan, I suggest serving your steel cut oats with a splash of heavy cream or half & half.
  • This recipe will freeze well.  I suggest freezing in individual portions and thawing in the microwave when you are ready to eat it. 
  • Category: breakfast
  • Method: slow cooker
  • Cuisine: American

Keywords: vegan steel cut oats, slow cooker steel cut oats, apple cinnamon steel cut oats, overnight oats