Keto Oatmeal

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4.99 from 357 votes
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This keto oatmeal recipe is the perfect warm, hearty breakfast when you’re craving a big bowl of oats. Made with 4 ingredients, it’s thick, creamy, and perfect hot or cold!

Hungry for more easy keto breakfast recipes? Try my keto breakfast muffins, keto cereal, keto granola, and keto avocado toast next.

keto oatmeal.

I love waking up to a big bowl of overnight oats, but when I’m on a keto diet, I have to bid adieu to the excess carbs. 

Luckily, I’ve come up with a low-carb oatmeal recipe that is a perfect substitute for oats while keeping me well under my daily carb limit. 

Table of Contents
  1. Why I love this recipe
  2. Ingredients needed
  3. How to make keto oatmeal
  4. Arman’s recipe tips
  5. Storage instructions
  6. Frequently Asked Questions
  7. Keto Oatmeal (Recipe Card)

Why I love this recipe

  • 4 Ingredients. No oats, grains, or wheat are needed, but you’d never know by how good it tastes!
  • Perfect hot or cold. Enjoy it as warm keto porridge or as overnight oats straight from the fridge. 
  • Easy to meal prep. Make up to a week’s worth of breakfasts in advance!
  • So customizable. Like traditional oats, you can add all sorts of ingredients, so you never have to make it the same way twice. 
  • Super healthy. Oats are a nutrient powerhouse, but I use equally as nutritionally-dense ingredients to add plenty of fiber, protein, and healthy fats.

★★★★★ REVIEW 

“First time having overnight oats of any kind. It takes a wee bit of getting used to, but surprisingly very good. I’ll probably warm up before eating. Great for meal prep and travel!” – Alessia

Ingredients needed

  • Ground flaxseed. Also known as golden flax meal. If you only have whole flaxseeds, you can grind them yourself using a coffee grinder or high-speed blender. 
  • Chia seeds. Thickens the ‘oatmeal’. 
  • Hemp hearts. The shelled part of the hemp seeds. Find these at health food stores, online, and specialty grocery stores. 
  • Milk of choice. I used unsweetened coconut milk, but any keto milk works. 
  • Sweetener. Optional, but I like to add a few tablespoons of keto brown sugar or a powdered sugar substitute
  • Mix-ins. I’ll list a bunch of ideas later on.

How to make keto oatmeal

I’ve included step-by-step photos below to make this recipe easy to follow at home. For the full printable recipe instructions and ingredient quantities, scroll to the recipe card at the bottom of this post.

Step 1- Combine ingredients. Add everything to a large bowl and refrigerate for 4 hours to thicken. 

Step 2- Adjust the consistency. If the mixture is too thick, add more milk.

Step 3- Microwave. Microwave for 30-40 seconds or until warm. Alternatively, enjoy cold. Serve with your desired toppings.

how to make keto oatmeal.

Arman’s recipe tips

  • Swap the flaxseeds. I also tested this recipe with almond flour instead, and while the oats’ consistency was thinner, the flavor was good.
  • Use a liquid sugar substitute, like keto maple syrup or keto honey
  • Meal prep. Prep up to seven servings in one go! Simply quadruple the ingredients and let them sit overnight in the refrigerator. Once set, distribute into seven jars or bowls and cover. When ready to enjoy, simply microwave it and then add the toppings. 

Flavor variations

I’m boring and like the flavor of plain keto oatmeal, but you can add all sorts of mix-ins to make it uniquely yours. Here are some ideas:

  • Strawberries and cream. Add 1/4 cup sliced strawberries and 1 teaspoon of sugar-free white chocolate and stir through 1-2 tablespoons of heavy cream. 
  • Chocolate peanut butter. Add 2 tablespoons of unsweetened cocoa powder and 2 tablespoons of peanut butter. 
  • Almond Joy. Fold through 1 tablespoon of sugar-free chocolate chips and sprinkle coconut flakes, almonds, and chocolate chips on top.
  • Mixed berry. Add your favorite low-carb berries, like strawberries, raspberries, and blueberries. 
  • Double chocolate. Add cocoa powder and chocolate chips and drizzle sugar-free chocolate sauce on top.
  • Cinnamon roll. Add cinnamon, one teaspoon of vanilla extract, and drizzle with keto coffee creamer and chopped pecans. 
  • AB&J. Stir in 2 tablespoons of keto jam and drizzle almond butter (or any nut butter) on top.

Storage instructions

To store: Leftovers can be stored in the refrigerator, covered, for up to one week.

To freeze: Place single portions of the oatmeal in an airtight container and store them in the freezer for up to six months. Let them thaw overnight in the fridge and, if desired, microwave them in 20-second intervals until warm.

low carb oatmeal.

Frequently Asked Questions

How many carbs are in keto oatmeal?

There is just 1 gram of net carbs in each serving of keto oats.

keto oatmeal recipe

Keto Oatmeal

4.99 from 357 votes
This keto oatmeal recipe is the perfect warm, hearty breakfast when you’re craving a big bowl of oats. Made with 4 ingredients, it’s thick, creamy, and perfect hot or cold!
Servings: 4 Servings
Prep: 5 minutes
Total: 5 minutes

Ingredients  

Instructions 

  • Add everything in a large mixing bowl and refrigerate for 4 hours to thicken, until it reaches an overnight oats consistency (thick and creamy).
  • If the mixture is too thick, add more milk.
  • Microwave for 30-40 seconds, or until warm. Alternatively, enjoy overnight oats style.
  • Add toppings and enjoy immediately.

Notes

TO STORE: Leftovers can be stored in the refrigerator, covered, for up to one week.
TO FREEZE: Place single portions of the oatmeal in an airtight container and store them in the freezer for up to six months. 
TO MEAL PREP: Prep up to seven servings in one go. Simply quadruple the ingredients and let it sit overnight in the refrigerator. Once set, distribute into seven jars or bowls and cover. When ready to enjoy, simply microwave then add the toppings. 

Nutrition

Serving: 1cupCalories: 191kcalCarbohydrates: 4gProtein: 11gFat: 15gSodium: 123mgPotassium: 41mgFiber: 3gVitamin A: 131IUVitamin C: 1mgCalcium: 175mgIron: 4mgNET CARBS: 1g
Course: Breakfast
Cuisine: American
Author: Arman Liew
Tried this recipe?Give us a shout at @thebigmansworld or tag #thebigmansworld!

Originally published April 2022, updated and republished May 2024

Arman Liew

I’m a two time cookbook author, photographer, and writer, and passionate about creating easy and healthier recipes. I believe you don’t need to be experienced in the kitchen to make good food using simple ingredients that most importantly, taste delicious.

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Comments

  1. 5 stars
    This is FANTASTIC !! Add some frozen blueberries or other fruit and it’s a tasty low carb sweet treat.
    I upped the Chia substantially to make it more pudding like, and substituted a little heavy cream for some of the cocoanut milk. Organic Vanilla also is a great addition.

  2. 5 stars
    Thank you! Tastes really great. I’ve tried others and they’re terrible and consistency off. I only used 1 tbs brown sugar substitute. Making ahead of time is a game changer. Hayem yes

  3. 5 stars
    Although I haven’t tried it with flaxseed,(I use oatmeal) Its my go to when I haven’t gone shopping for the week yet. I use maple syrup to sweeten it and will put a very ripe banana or frozen berries in. It’s also great with chocolate chips! I use almond milk. Thanks Arman!