These cookies and cream overnight oats are creamy & refreshing. This 3-ingredient healthy-ish Oreo oatmeal is perfect as both dessert overnight oats and breakfast!

Oreo overnight oats in a glass with sunflower spoon on a wooden plank, with crushed Oreos around.

Why You Will Love This Cookies and Cream Overnight Oats

  • It only requires 3 ingredients and takes 5 minutes of prep time
  • It requires no actual cooking, other than just mixing ingredients
  • These cookies and cream overnight oats make you feel like youโ€™re eating dessert for breakfast
    • It tastes like McFlurry, but this version is way healthier!
  • Rolled oats are packed with fiber, vitamins, and minerals!
  • Gluten-free and dairy-free

Watch How to Make Oreo Overnight Oats below!

Ingredients

Just 3 ingredients to make this Oreo/cookies and cream overnight oats.

  • Rolled oats: Packed with fiber, vitamins, and minerals. The good old-fashioned rolled oats have all the good stuff!
    • Quick-cooking oats will make the overnight oats a bit soggy, while using instant oats or steel-cut oats will NOT work.
  • Plant-based milk: Makes for that creamy texture in these overnight oats. I used oat milk but any kind of plant-based milk will work.
  • Oreo: The classic biscuits that everybody loves!
Creamy cookies and cream Oreo overnight oats in a glass jar, with Oreo cookies scatter around.

Step-by-step Instructions

Crush: Crush 2 of the Oreos into smaller pieces. I like to break 1 Oreo into 4-8 parts, each about 2 cm in length. You can just do it by hand or using a knife.

Mix: Mix in the rolled oats and 2 Oreo biscuits for that cookies and cream flavor, then add the milk.

Chill: Let it sit in the fridge for at least 2 hours, or overnight.

Serve: Before serving, add 1 more crushed Oreo as a topping and enjoy these ice cream-like cookies and cream overnight oats!

Toppings Suggestions

The Oreo cookies/biscuits already serve as toppings but if you want more, below are some tasty options!

  • plant-based yogurt
    • Or perhaps the thicker version of yogurt: vegan quark! It’s like your plain Greek yogurt, but vegan!
  • cocoa powder
    • Just a bit for some extra chocolatey depth
  • seeds (sunflower seeds, pumpkin seeds, hemp seeds, chia seeds, flax seeds)
    • With chia seeds and flax seeds, you can make some pudding for toppings.
    • To make a pudding, add 3 parts plant-based milk to 1 part chia / flax seeds
  • cacao nibs or chocolate chips
  • Nutella (make your own Nutella by following my Vegan Nutella recipe!)
Oreo oatmeal overnight oats served as dessert in a glass with sunflower spoon, taken at an angle.

Is overnight soaked oats healthy?

Rolled oats have so many great health benefits as they contain high-quality protein, vitamins, minerals, and antioxidants. They can lower cholesterol levels and can improve blood sugar control. It will also help in digestion and make you feel full longer!

I would however go easy on the toppings, especially in this Oreo overnight oats. If you want a super healthy overnight oats recipe, try this Frozen Fruit Overnight Oats where I use mixed berries for the toppings. Or check out my popular and fiber-packed Flax Seed Pudding (3 Tasty Variations!)!

Are overnight oats as healthy as oatmeal?

Ingredients-wise, they are the same so technically, yes, overnight oats are as healthy as oatmeal. However, of course, this depends on what you add as the toppings.

Storage, Meal Prep, and Freezing Instructions

Storage and Meal Prep: You can make these cookies and cream overnight oats ahead of time for up to 5 days.

However, if you want them fresh, I recommend portioning out the dry ingredients (the rolled oats and the crushed Oreos) in small jars. Then only pour the milk the night before you want to consume it.

Freezing: You can freeze your Oreo overnight oats for up to 3 months! To thaw, let it sit in the fridge overnight. Be sure to reserve some of the crushed Oreos to be added later, and to freeze right after you mix all the ingredients (but before chilling) so they don’t get soggy!

FAQ

I do not recommend this since you’re risking food safety.

Overnight oats are left to soak in liquid (such as milk or yogurt) overnight, allowing the oats to soften and absorb the flavors of the other ingredients. That way, cooking isn’t necessary anymore to get a nice texture.

My favorite containers to use are small mason jars but feel free to use any other small containers you have on hand. I like to reuse glass jars from peanut butter, jams, apple sauce, et cetera so I recommend saving them instead of throwing them away!

If you are making a bigger batch, you can opt to store them in a bigger container, and only portion them out before they get served.

This depends on the ingredients used. To minimize the sugar content, refrain from adding sweeteners and use unsweetened milk. In this Oreo cookies and cream overnight oats, you will have more sugar content due to the Oreo cookies. If you prefer something healthier, try my Frozen Berries Overnight Oats or my Acai Breakfast Bowl.

Looking for more Dessert/Breakfast Recipes?

If you like this Oreo oatmeal overnight oats, check out my Biscoff Overnight Oats.

Feel like eating a cake that tastes like dessert but is healthy enough for breakfast? Check out this Cookie Dough Baked Oats recipe, or this Healthy Baked Oats Without Banana recipe which has 5 different topping varieties (e.g. brownie, matcha, and more flavors)! Or try my Granola Cups (with 6 topping varieties)!

Cookies and Cream Overnight Oats (Oreo Oatmeal Dessert)

Cookies and cream oreo overnight oats in a glass jar on a wooden plank, served as creamy dessert.
These cookies and cream overnight oats are creamy & refreshing. This 3-ingredient healthy-ish Oreo oatmeal is perfect as dessert overnight oats and breakfast!
Jem @ The Fruity Jem
Prep Time 5 minutes
Total Time 5 minutes
Serving Size 1 serving

Ingredients

  • ยฝ cup rolled oats (45 grams)
  • ยฝ cup plant-based milk (115 ml) I used oat milk but any kind of plant-based milk will work!
  • 3 Oreos

Instructions

  • Crush: Crush the Oreos into smaller pieces. I like to break 1 Oreo into 4-8 parts, each about 2 cm in length. You can just do it by hand, or chop it using a knife.
  • Mix: Mix in the rolled oats and (approximately) 2 crushed Oreo biscuits, then add the milk.
  • Chill: Let it sit in the fridge for at least 2 hours, or overnight.
  • Serve: Before serving, add 1 more crushed Oreo as a topping and enjoy!

Notes

Ingredients Notes:
  • Feel free to addย chia seedsย for a more pudding-like texture.
    • Note that chia seeds will absorb moisture so if you do want more of a runny texture, I advise adding 3 parts plant-based milk to 1 part chia seeds to compensate.
  • Do not swap the rolled oats with quick-cooking or instant oats.ย The texture will be different. With quick-cooking or instant oats, they will turn out mushy.
    • If you only have quick-cooking oats on hand (or if you really want/need to use them up), you can try to only let them sit in the fridge for 1-2 hours. This way, the texture will still be different but they won’t get mushy and they still remain tasty.ย 
    • Note that I have not tried the trick above using instant oats.
For storage instructions, toppings suggestions, and other tips, please read the post above.
  • ย 

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Recipe Rating




3 Comments

  1. 5 stars
    Made me excited to wake up in the morning!

  2. 5 stars
    If you hesitate making this recipe, stop and just do it. The worst thing that could happen is you ‘waste’ 5 minutes, but the best thing that could happen is you get a favorite recipe๐Ÿ˜‹

  3. 5 stars
    Was a bit skeptic but you’re right, it kinda tastes like McFlurry ๐Ÿ˜‹ It’s definitely something we enjoy making over and over again!