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Slow cooker apple cinnamon oatmeal is the epitome of Fall. Warm cinnamon and sweet apples will make your house smell absolutely incredible. The best part? Throw the ingredients in your slow cooker before bed and you’ll have the coziest apple cinnamon oatmeal when you wake up!

apple cinnamon oats in white bowl with spoon
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The Ultimate Fall Cozy Weather Recipe: Apple Cinnamon Oats

This slow cooker apple cinnamon oatmeal pack all the flavors of Fall into a warm, cozy bowl. They’re loaded with all the Fall flavors that you’re accustomed to such as cinnamon, apples, and pecans. I love how easy this comes together. It’s nearly hands-off and you wake up in the morning to the most amazing smell in your house. It’s like having a house full of Bath and Body Works candles.

The best way to utilize this is when you’re having overnight guests or just want to sleep in a bit on the weekend. Everyone wakes up at different times and instead of being concerned about, “what’s for breakfast?” if you have a batch of apple cinnamon oats ready when everyone wakes up, they can serve themselves a bowl with their coffee. It helps the entire household out and you won’t have any hangry guests or anyone rummaging through your pantry for something to tame that hunger!

maple syrup being poured on apple cinnamon oats in a white bowl

What You’ll Need:

  • Apple – fresh apples! I would go for Fuji, Gala, Honeycrisp, or whatever variety you like. I would stay away from Red Delicious (I think the exterior is too waxy) and Granny Smiths.
  • Milk – cow’s milk or dairy-free works!
  • Apple Cider – please, NOT apple cider vinegar. Apple cider!! If you can’t find apple cider, you can substitute for apple juice.
  • Steel cut oats – I love the texture of steel cut oats and it’s the perfect candidate for an overnight slow cooker oats recipe such as this because it doesn’t get super mushy and steel cut oats typically take longer to cook anyway.
  • Brown sugar – dark brown sugar to be exact. I love the depth of flavor the dark brown sugar gives.
  • Ground cinnamon – I love the warmth of cinnamon.
  • Ground flaxseed – for that extra fiber, ya know?
  • All the toppings – nuts, maple syrup, more apples, and do you dare add some whipped cream?!

Recipe Tips and Variations

  • Definitely spray the insert of your slow cooker well so you aren’t scrubbing off the sugary browned edges (this is normal) for hours. However, if you do forget and this does happen, allow the insert to soak for a couple hours and use a little Bar Keeper’s Friend or create a paste with baking soda and Dawn dish soap.
  • If you don’t have steel cut oats, you can substitute with old-fashioned rolled oats but I would not recommend substituting with quick cook oats. They would cook entirely way too fast and not hold their shape very well. I fear they would be too mushy and gummy.
  • On your serving of oatmeal, sprinkle some chia seeds on top for extra fiber and protein.
  • Speaking of protein, you could mix in some vanilla protein powder into your personal serving if you need to start the day with extra protein.
apple cinnamon oats with cubed apples and pecans in a white bowl and spoon

difference between steel cut oats, old fashioned oats/rolled oats, and quick cook oats

It comes down to texture, processing, and cooking time.

Steel cut oats are oat groats that have been cut into two or three pieces and they’re relatively unprocessed while old fashioned/rolled oats are made by steaming and rolling the oat groats for faster cooking. Quick cook oats are the same but cut into smaller pieces for even faster cooking.

Storage and Reheating Instructions

Allow leftovers to cool then store in an airtight container and keep in the refrigerator for up to 5 days. To reheat, you’ll want to splash a little liquid (milk or creamer) before reheating in a pot on the stovetop or in a microwave-safe bowl until warmed through. The liquid will help loosen up the gluten that naturally gets thicker when chilled.

a closer overhead shot of white bowl with apple cinnamon oats and toppings (pecans and fresh apples)
4.48 from 17 votes

Slow Cooker Apple Cinnamon Oatmeal

Throw the ingredients in your slow cooker before bed and you’ll have warm overnight apple cinnamon oats ready when you wake up!
Prep Time: 15 minutes
Cook Time: 4 hours
Total Time: 4 hours 15 minutes
Servings: 6

Equipment

Ingredients 

  • 3 apples, cored and cut into ½ inch cubes
  • 1 ½ cup (366 g) 2% milk
  • 1 cup (236 g) apple cider
  • ½ cup (118 2/7 g) water
  • 1 cup (160 g) steel-cut oats, a heaping cup
  • 2 tablespoons (2 tablespoon) dark brown sugar
  • ½ teaspoon ground cinnamon, or more if you prefer more
  • 1 tablespoon ground flax seed
  • ¼ teaspoon salt
  • Optional toppings: nuts, dried fruit, bananas

Instructions 

  • Coat the inside of your crockpot generously with cooking spray. You will NOT want to miss this step cause otherwise you will be standing over the sink scraping the little sucker.
  • Add all the ingredients to the crockpot (minus the garnishes), stir, cover, and cook on low for 3-4 hours or high for 1.5-2 hours. Keep on warm until ready to serve. Depending on how long it has been sitting on 'keep warm', you may need to add some liquid to loosen it up.
  • Serve warm with your desired toppings.

Video

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Nutrition

Serving: 1Serving, Calories: 220kcal, Carbohydrates: 42g, Protein: 7g, Fat: 4g, Saturated Fat: 1g, Polyunsaturated Fat: 0.4g, Monounsaturated Fat: 0.4g, Trans Fat: 0.05g, Cholesterol: 5mg, Sodium: 130mg, Potassium: 235mg, Fiber: 6g, Sugar: 20g

This website provides approximate nutrition information for convenience and as a courtesy only. Nutrition information can vary for a variety of reasons. For the most precise nutritional data use your preferred nutrition calculator based on the actual ingredients you used in the recipe.

The default measuring system for this website is US Customary. Unit conversions are provided for convenience and as a courtesy only. While we strive to provide accurate unit conversions, please be aware that there may be some discrepancies.

Photography by Eat Love Eats

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81 Comments

  1. Cheryl Cochran says:

    This looks yummy!
    I have a few Questions: can I leave out the Flax? If I do, should I increase the Oats?

    I only have Old Fashioned Rolled Oats, so I plan to keep an eye on it during the day & pull it when it is right consistency.

    Also, can this be made in a 4qt size Crockpot? That’s the largest size I have.

    Thanks in advance for your input Julie Chiou

    1. Julie Chiou says:

      hi Cheryl, you can definitely leave out the flax. you don’t have to increase the oats.

      this should work in a 4 quart size crockpot. i had a 6 quart and it wasn’t overflowing or anything.

  2. Lisa Baab says:

    I have made this two times and it has been a hit. I was asked to make it for a women’s event. Make it!

  3. Laura says:

    I find it odd that at the top of the recipe it says cooking time is 7 hours when it’s really 4 or less.

    1. Julie Chiou says:

      you’re right – I miscalculated when i updated the recipe. the previous version did take 7 hours but this updated version doesn’t. thanks for bringing that to my attention!

  4. Karen says:

    Have made this with apples many many times. Itโ€™s my grand daughterโ€™s absolute favorite. However, the last time I substituted frozen peaches and tangerine/peach juice (everything else remained the same) and it was delicious. Also, I always follow another posterโ€™s advice and let it cook on low until bedtime then switch to warm. Itโ€™s never failed to be perfect in the morning.

  5. Erin says:

    This is our Christmas Eve/Christmas morning tradition for at least 3 years running now. :) My son thinks overnight oats are exclusively a Christmas thing haha. We wake up to our house smelling amazing and this is ready to go when aunties and grandparents come over after seeing what Santa brought! Thanks for giving us a fun tradition that feels special but is still a healthy and easy start to everyoneโ€™s day.