Cookies for breakfast? With Oreo overnight oats, all your childhood dreams come true. Wake up to something delicious with these easy to prep oats.

These cookies and cream overnight oats are perfectly rich, creamy, chocolatey, and delicious. These oats are perfect for meal prepping and enjoying a filling breakfast that you actually want to eat.
Once you know How to Make Overnight Oats, the second part of your life begins. There are so many wonderful variations and adaptations that can be made, including Peanut Butter Jelly Overnight Oats, Chunky Monkey Overnight Oats, and Strawberries and Cream Overnight Oats.
Why This Recipe Works
- It's easy to make. All you have to do is mix some stuff together and let it chill for a few hours in the fridge. This is a great recipe for anyone who does not want to put in too much effort or time towards meal prep.
- Simple ingredients. With basic ingredients like oats, yogurt, and milk, this recipe is pretty easy to shop for (assuming you have to do any shopping at all, that is).
- Perfect for making in advance! You can make overnight oats up to a few days in advance, so go ahead and prep some food for the week and enjoy! Wake up and eat them old or microwave them for warmth. I love cold oats in summer.
Jump to:
🥘 Ingredients
Old fashioned oats- This is the base of the recipe. These oats will soak up liquid overnight to soften without the need to cook them.
Milk- Use dairy milk or nondairy milk based on what your preferences are.
Greek yogurt- Adding Greek yogurt will make the oatmeal thicker, creamier, and a bit healthier too.
Maple syrup- Use maple syrup as a natural sweetener. Honey could be used instead.
Vanilla extract- This is a great flavor enhancer.
Chia seeds- This is optional, but adding chia seeds will help to get your oatmeal some more nutritional benefits.
Salt- A natural flavor enhancer.
Oreo Cookies- You'll only need a few Oreo cookies to create a nice cookies and cream flavor in your oats.
For specific quantities, see the recipe card below.
🍽 Equipment Needed
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🔪 Instructions
Check out how to make Oreo Overnight Oats with these simple step-by-step instructions:
Whisk together the milk, heavy cream, yogurt, vanilla, salt, and maple syrup in a bowl until blended.
Stir in the chia seeds, if using.
Add in the oats.
Stir together until well mixed.
Add in the Oreo cookie pieces.
Stir well to combine.
Pour the oat mixture into a sealed container and place into the fridge to chill for at least 6 hours or overnight.
In the morning, you can add more milk to adjust the oat mixture to your liking (or eat it thick).
Enjoy!
🧾 Substitutions
Oats. I have had great success using old fashioned oats and steel cut oats as well as quick cook steel cut oats (the kind that are chopped into smaller pieces). The difference in texture is pretty minimal.
Milk. You can use whole milk, low fat milk, almond milk, coconut milk or any other milk of choice. Even water or coffee creamer can work well in a pinch. Unsweetened almond milk is our favorite.
Sweetener. Healthier sweetener options include honey and maple syrup but you can also choose to use agave or a low-carb liquid sugar substitute.
Yogurt. You can use any plain or flavored yogurt of choice. Our go-to is Greek Yogurt because it's healthier but regular yogurts can be used too. We really enjoy Honey flavored Greek yogurt (it's our favorite). You can also omit the yogurt and just add in another ¼ cup of milk.
📖 Variations
paragraphs about ways that this recipe can be made differently or more unique. can this easily be made gluten free? dairy free? nut free? low carb? paleo? If you're not an expert in these, don't try to fake it. It can also be a great place to link to your fellow bloggers who have an (insert-diet-here) variation of your recipe, and build a network.
🍴 Recipe Tips
Chia seeds are optional
Adding chia seeds is optional but can be a great way to get additional health benefits from your meal. They help to reduce your blood pressure and reduce your risk of heart disease.
Chia seeds will absorb some of the liquid in the oats, so in the morning they will be pretty thick. You can thin down your oats to your desired consistency by stirring in additional milk.
👩🏻🍳 Storage
Your overnight oats are good for 5 days in the fridge so if desired, you can meal prep for the week on Sunday and not have to worry about breakfast again until Saturday.
⏲️Make Ahead Instructions
You can eat your oats right after they've been mixed together, but the oats will be chewy. Letting them sit for at least 4 to 6 hours is ideal for a better texture and consistency as it will take several hours for the oats to absorb the liquid in the oats.
💭 FAQs
Overnight oats are a great breakfast option for when you want something healthier and filling. Packed with fiber, potassium, calcium, and other nutrients it's a great way to get a good start to your day.
One of the biggest reasons why overnight oats can vary in calories is simply because of the milk used to moisten them. Whole milk has a lot more calories than alternative milk like Almond milk or coconut milk. Swapping out the milk and choosing low-calorie add-ins can help to reduce the calories per serving.
Technically you could use water, but I wouldn't recommend it. The reason we choose milk is that it helps to add creaminess to the oats and water, simply doesn't do that. While it will still create an oat breakfast, the results just aren't the same.
More great breakfast recipes to check out soon
- Sugar Free Pancakes
- Strawberry Cream Cheese Crescents
- French Toast Kabobs
- Blueberry Sour Cream Coffee Cake
📖 Recipe
Oreo Overnight Oats
Ingredients
- 1 ½ cup Old fashioned rolled oats ($0.27)
- ½ cup Milk ($0.10)
- 1 cup Greek yogurt ($0.92)
- 2-4 Tablespoons Maple syrup or honey ($0.08)
- 1 teaspoon Chia seeds *optional ($0.04)
- 1 teaspoon Vanilla extract ($0.02)
- ¼ teaspoon Salt ($0.02)
- 3 Oreo Cookies, crushed ($0.33)
Instructions
- Whisk together the milk, heavy cream, yogurt, vanilla, salt, and maple syrup in a bowl until blended.
- Stir in the chia seeds, if using.
- Add in the oats.
- Stir together until well mixed.
- Add in the Oreo cookie pieces.
- Stir well to combine.
- Pour the oat mixture into a sealed container and place into the fridge to chill for at least 6 hours or overnight.
- In the morning, you can add more milk to adjust the oat mixture to your liking (or eat it thick).
Notes
Substitutions
- Oats. I have had great success using old fashioned oats and steel cut oats as well as quick cook steel cut oats (the kind that are chopped into smaller pieces). The difference in texture is pretty minimal.
- Milk. You can use whole milk, low fat milk, almond milk, coconut milk or any other milk of choice. Even water or coffee creamer can work well in a pinch. Unsweetened almond milk is our favorite.
- Sweetener. Healthier sweetener options include honey and maple syrup but you can also choose to use agave or a low-carb liquid sugar substitute.
- Yogurt. You can use any plain or flavored yogurt of choice. Our go-to is Greek Yogurt because it's healthier but regular yogurts can be used too. We really enjoy Honey flavored Greek yogurt (it's our favorite). You can also omit the yogurt and just add in another ¼ cup of milk.
Recipe Tips
- Adding chia seeds is optional but can be a great way to get additional health benefits from your meal. They help to reduce your blood pressure and reduce your risk of heart disease.
- Chia seeds will absorb some of the liquid in the oats so in the morning they will be pretty thick. You can thin down your oats to your desired consistency by stirring in additional milk.
- Your overnight oats are good for 5 days in the fridge so if desired, you can meal prep for the week on Sunday and not have to worry about breakfast again until Saturday.
- You can eat your oats right after they've been mixed together but the oats will be chewy. Letting them sit for at least 4 to 6 hours is ideal for a better texture and consistency as it will take several hours for the oats to absorb the liquid in the oats.
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