This recipe for 3 Ingredient Cookies and Cream Overnight Oats takes less than five minutes to prepare.
Made with sandwich cookies and rolled oats, this delicious and convenient breakfast or snack idea combines together the creamy texture of oats with the crunchy and sweet flavors of our favorite cookies.

What you will read about in this recipe.
What are overnight oats?
Overnight oats are oats that are soaked in wet ingredients overnight and refrigerated to make a filling and delicious meal or snack.
I like how there are so many tasty ways to personalize homemade overnight oats..
Have you tried my No Bake Oreo Funfetti Icebox Cake?
That tasty no bake dessert can be made in under 20 minutes. Both this recipe for overnight oats and that recipe for an icebox cake are easy and great tasting recipes that can be made with sandwich cookies.
8 ounce Mason jars were used to make my overnight oats. You can find a selection of mason jars here.

Why we love easy overnight oats.
It takes just five minutes to make this recipe. You can easily make the entire recipe in one jar as well.
Here is what else we like about this recipe.
- The ingredients used to make this recipe are basic and inexpensive ingredients that you may already have on hand.
- Storing your overnight oats in jars makes for a perfect on-the-go snack or meal ideal.
- Personalizing this recipe is as easy as changing up your sandwich cookies or adding additional ingredients such as raisins or chia seeds.
- This is a no bake no cooking required: You simply combine ingredients in your jar and let them chill overnight.
- Overnight oats are healthy and filling as the oats provide a good source of fiber and the dairy adds protein.
- It's really about the convenience as you simple prep your oats the night before for a quick and easy on the go breakfast or snack.

Ingredients needed to make Oreo overnight oats.
- Old Fashioned Oats. Old fashioned, or rolled oats, can absorb the wet ingredients more effectively.
- Milk. You can use the milk or dairy of your choice.
- Sandwich Cookies. Such as Oreo Cookies. Your cookies should be chopped.
Tips for making the best overnight oats.
Regular full fat milk offers a creamier overnight milk. However, other kinds of milk, such as 2% or skim, work in this recipe.
More helpful tips for you.
- You can make this vegan by using vegan sandwich cookies and vegan milk such as Almond, Coconut, Cashew, or Soy milk.
- Feel free to add healthy additions such as chia seeds, ground flaxseed, or protein powder. You may need to add additional milk however.
- Sweeten up your oats by adding honey, maple syrup, or a touch of sugar to taste.
- Add a bit of crunch and protein by adding chopped nuts.
- A teaspoon or two of unsweetened cocoa powder can make this recipe chocolate.
- Or, you can stir in a teaspoon or two of peanut butter for flavor, texture, and additional protein.
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How to make 3 Ingredient Cookies and Cream Overnight Oats.
Prep Time : 5 minutes .
Chill Time: 8 hours, or overnight .
Servings: 4, depending on the jars used.
- Prepare . Prepare your ingredients as indicated. This includes chopping up your sandwich cookies. Also, wash and dry your jars if you have not done so.
- Oats. Place your oats in the bottom of each of your jars to make a bottom layer.
- Cookies. On top of the oats, place the chopped sandwich cookies to make a layer.
- Dairy. Cover the sandwich cookies with your dairy (milk etc).
- Chill. Cover each of the jars and refrigerate them overnight.
- Serve. Remove the jars from your refrigerator and add any toppings such as additional chopped cookies, fruit, or nuts. Then stir the ingredients and enjoy or cover the jar and take it with your on the go.
Expert Tip👉 To crush your sandwich cookies you can use a food processor or place the cookies in a zip top bag and use a rolling pin to crush the cookies into chunks.

How to store overnight oats.
Overnight oats should be stored in an airtight container. When properly stored and refrigerated, overnight oats should keep for up to five days.
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Print the recipe for 3 Ingredient Cookies and Cream Overnight Oats
3 Ingredient Cookies and Cream Overnight Oats
Ingredients
- 2 cups Old Fashioned Oats.
- 2 cups Milk.
- 8 Sandwich Cookies --Such as Oreo Cookies. Your cookies should be chopped. Additional cookies as desired for topping
Instructions
- Prepare . Prepare your ingredients as indicated. This includes chopping up your sandwich cookies. Also, wash and dry your jars if you have not done so.
- Oats. Place your oats in the bottom of each of your jars to make a bottom layer.
- Cookies. On top of the oats, place the chopped sandwich cookies to make a layer.
- Dairy. Cover the sandwich cookies with your dairy (milk etc).
- Chill. Cover each of the jars and refrigerate them overnight.
- Serve. Remove the jars from your refrigerator and add any toppings such as additional chopped cookies, fruit, or nuts. Then stir the ingredients and enjoy or cover the jar and take it with your on the go.
Recipe Notes
Also, please see the actual recipe post for further details on this recipe. Nutritional Information is only an estimate and can vary especially with ingredients that are used. See DiyandFun.com for details on this recipe.
originally posted:
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Nutrition
Please note: Nutritional data has been calculated using a tool that comes with this recipe card and not by me. This means that Nutritional Information is only an estimate and can vary especially with ingredients that you use. The accuracy of this tool may differ from other tools as expected. Also note that there is no instructional value to the video that may be attached to this recipe. It is only there for visual pleasure. For more information about the images in this recipe, please refer the the recipe instructions. Thank you!
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3 Ingredient Cookies and Cream Overnight Oats, an easy and delicious breakfast recipe made with sandwich cookies such as Oreos.
Please see recipe post for further details on this recipe.


