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

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These cookies and cream overnight oats are perfectly rich, creamy, chocolatey, and delicious. We love oreo cookies in everything from Oreo Buttercream Frosting to Oreo Bread Pudding but now we're taking a different approach.
With these oats, we're able to Meal Plan on a Tight Budget with a simple meal prepped breakfast, and we're actually 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 Chunky Monkey Overnight Oats, and Strawberries and Cream Overnight Oats. There's so much possibility in every bowl!
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💛 Why You'll Love This Recipe
- 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. You can even add in some sprinkles for a fun spin on these Birthday Cake Overnight Oats!
- 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 cold or microwave them for warmth. I love cold oats in summer.
🛒 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. If you still have some oats left over, consider making Peanut Butter Banana Overnight Oats.
Greek yogurt- Adding Greek yogurt will make the oatmeal thicker, and creamier.
Maple syrup- Use maple syrup as a natural sweetener. Honey could be used instead. We like to use maple syrup in our oats because it pairs well with some Maple Syrup Iced Coffee.
Oreo Cookies- You'll only need a few Oreo cookies to create a nice cookies and cream flavor in your oats. If you still have cookies leftover, try them in this Oreo Iced Coffee Recipe.
See the recipe card below for full ingredients and instructions.
🔀 Substitutions & Variations
Oats: Old fashioned, steel cut, or quick-cook steel cut oats all work with only slight texture differences.
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.
Yogurt: Use any plain or flavored yogurt. Greek yogurt makes it thicker, but regular yogurt works too. You can omit yogurt and replace it with an extra ¼ cup milk.
💰 Budget-Friendly Tips
Use store-brand cookies: Generic chocolate sandwich cookies taste just like Oreos in overnight oats but are much cheaper.
Buy yogurt in tubs: Large containers of Greek yogurt cost far less per ounce than individual cups and stretch across multiple breakfasts.
Stretch the oats: Add an extra splash of milk to increase volume without increasing ingredient costs.
🥄 Instructions for Oreo Overnight Oats

Step 1: Whisk together the milk, yogurt, vanilla, salt, and maple syrup in a bowl until blended.

Step 2: Stir in the chia seeds, if using.

Step 3: Add in the oats.

Step 4: Stir together until well mixed.

Step 5: Add in the Oreo cookie pieces.

Step 6: Stir well to combine.
Step 7: Pour the oat mixture into a sealed container and place into the fridge to chill for at least 6 hours or overnight.
Step 8: In the morning, you can add more milk to adjust the oat mixture to your liking (or eat it thick).
Enjoy!

👩🏻🍳 Expert Tips
Optional. Adding chia seeds is optional but can be a great way to get additional benefits from your meal.
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.
We even use chia seeds as a thickener in our homemade jams like Sugar Free Strawberry Jam and Sugar Free Blueberry Jam.
❄️ Storage and Make Ahead
Storage: Your Oreo 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: 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.
🥗 Side Dishes or Pairing Ideas
Pair your Oreo overnight oats with fresh fruit like bananas or berries. They also go great with iced coffee drinks, especially Oreo Iced Coffee or Maple Iced Coffee, for a fun cookies-and-cream breakfast combo.
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❓ Oreo Overnight Oats FAQs
Overnight oats are a great breakfast option for when you want something healthier and filling. 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 doesn't do that. While it will still create an oat breakfast, the results just aren't the same.

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🐝 If you tried this Oreo overnight oats, please leave a ⭐️ star rating and share your buzz in the 💬 comments below. I'd truly appreciate it!
📖 Recipe
Oreo Overnight Oats
Ingredients
- ½ cup milk - ($0.10)
- 1 cup Greek yogurt - ($0.64)
- 1 teaspoon vanilla extract - ($0.03)
- ¼ teaspoon salt - ($0.01)
- 2-4 tablespoons maple syrup or honey - ($0.08)
- 1 teaspoon chia seeds, optional - ($0.04)
- 1 ½ cup old-fashioned rolled oats - ($0.30)
- 3 Oreo Cookies, crushed - ($0.30)
Instructions
- Mix base. In a bowl, whisk together milk, Greek yogurt, vanilla extract, maple syrup, and salt until smooth.
- Add seeds. Stir in chia seeds if using.
- Add oats. Stir in rolled oats until fully combined.
- Add cookies. Gently stir in crushed Oreo cookies until evenly distributed.
- Chill. Transfer mixture to a sealed container and refrigerate at least 6 hours or overnight.
- Serve. In the morning, stir and add milk as needed to reach desired consistency. Enjoy cold.
Notes
- Substitutions. Rolled, steel-cut, or quick-cook steel-cut oats all work.
- Milk Options. Whole, low-fat, almond, or coconut milk can be used. Unsweetened almond milk is a good option.
- Sweeteners. Honey, maple syrup, agave, or liquid low-carb sweeteners may be used.
- Yogurt Choices. Plain or flavored yogurt works. Greek yogurt adds protein. Yogurt can be omitted by adding an extra ¼ cup milk.
- Meal Prep. Store in the refrigerator up to 5 days.
- Texture Tip. Best texture develops after 4 to 6 hours. Immediate eating will result in chewier oats.
Nutritional Information
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