Delicious Cookies and Cream Overnight Oats with chocolatey, creamy oats, Greek yogurt, peanut butter protein powder, and Oreo cookies are a fast, easy make-ahead breakfast that will get everyone up and at 'em on busy mornings.
Try Banana Chia Overnight Oats and Peanut Butter & Jelly Overnight Oats next!
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❤️You're Going to Love These
- Convenient meal prep recipe for a portable, (kinda) nutritious breakfast or snack
- Easy recipe you can make in minutes with simple ingredients
- Decadent and chocolatey enough to be a dessert
- Good excuse to eat cookies for breakfast 🙂
Our house runs on overnight oats -- a basic mix of equal parts oats and almond milk with yogurt and fruit mixed in the next morning.
So when we crave something more indulgent, we're digging into these Oreo Overnight Oats. They're thick, creamy, and perfectly chocolatey, with just enough Oreos for that classic cookies-and-cream flavor.
Add peanut butter (or skip it), adjust the sweetness, or toss in chia seeds for a little extra texture—it's easy to make it your own.
🍪Ingredients
See recipe card at the bottom of the post for the full list of ingredients and exact amounts.
- Cocoa powder. A little cocoa powder gives big chocolatey flavor and sneaks in a few antioxidants and other health benefits. I use Hershey's Special Dark cocoa powder or Hershey's natural unsweetened cocoa powder.
- Peanut butter or peanut butter powder, optional. I use PBfit peanut butter powder, but natural creamy peanut butter also works. Melt a little peanut butter in the microwave for a fun topping.
- Rolled oats. I prefer old fashioned rolled oats or quick-cooking steel cut oats for overnight oats. Quick oats will have a much softer texture. Instant oats are too processed and will turn mushy.
- Sweetener of choice. A little maple syrup or honey offsets the bitterness of the cocoa powder without any more added sugar. Use these or your favorite sweetener to taste.
- Milk. Use any kind of dairy or non-dairy milk -- oat, coconut, or soy milk. We use unsweetened almond milk.
- Plain Greek yogurt. I use plain nonfat Greek yogurt or sometimes vanilla Greek yogurt. Any dairy or plant-based yogurt should work just fine.
- Oreos. Two regular-sized Oreos or 8 mini Oreos -- half goes into the oat mixture, and the other half is a crunchy topping.
🫐Variations or Substitutions
- To PB or not to PB. If you're looking for straight up cookies and cream, skip the peanut butter.
- Black or white chia seeds. Add a little more fiber, protein, and healthy fats. If using chia seeds, you'll need a little more liquid. See notes.
- Cookies. Use chocolate graham crackers, crushed chocolate wafers, or a similar cookie if you don’t have Oreos.
- Toppings. You know what to do here. Top with sweet, salty, crunchy stuff -- Dark or white chocolate chips, sliced bananas, fresh berries, toasted nuts, toasted coconut flakes, pepitas, a sprinkle of sea salt
🥣How to Make Oreo Overnight Oats
Step 1: Crush one Oreo in a small bowl or 16 oz. mason jar. Add the cocoa powder, peanut butter powder, and oats. Stir. Add the maple syrup, vanilla, almond milk, and 2 tablespoons Greek yogurt. Stir to combine.
Step 2: Cover and refrigerate at least 6 hours or overnight. The next day, top oats with more Greek yogurt and one more crushed Oreo. If desired, melt a little peanut butter for 5-10 seconds in the microwave and drizzle on top.
👉Helpful Hint: Add more milk, as needed, the next day. If adding chia seeds, increase the almond milk and yogurt slightly to keep the oats creamy (see recipe card).
✅Top Tips
- Use rolled oats: For the best texture, stick to old-fashioned rolled oats. Quick oats may turn too mushy.
- Adjust sweetness: Use maple syrup or honey to sweeten to your taste, or skip it if you prefer less sweetness.
- Chill time: Let the oats sit for at least 6 hours, but overnight is best for the flavors to fully develop.
- Add toppings just before serving: Crush the second Oreo and add any other toppings right before eating for maximum crunch.
🎁Storage
Store cookies and cream overnight oats in an airtight container in the fridge for 3-4 days. Store toppings in a separate container to keep them fresh.
🗓️Make Ahead
Make a big batch of the oat base at the beginning of the week, then portion it out into small jars and customize toppings each day.
❓FAQ
I recommend old fashioned rolled oats or quick-cooking steel cut oats for overnight oats. They both soften nicely when soaked overnight without turning mushy or falling apart. Quick-cooking steel cut oats tend to absorb more liquid so you may need to add a little more. Read more about the best type of oats for overnight oatmeal.
My basic overnight oats recipe is ½ cup regular oats and ½ cup almond milk. The next day, I mix in ½ cup Greek yogurt and top with fresh or frozen (slightly thawed) blueberries and strawberries.
Try chocolate graham crackers, crushed chocolate wafers, or a similar cookie if you don’t have Oreos.
😋More Overnight Oatmeal Recipes
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📖 Recipe
Cookies and Cream Overnight Oats
Ingredients
- 2 Oreo cookies, divided or 4 mini Oreos
- ½ tablespoon cocoa powder dark or natural
- 2 tablespoons peanut butter powder, optional or 1 tablespoon creamy peanut butter
- ½ cup rolled oats
- ½ - 1 tablespoon pure maple syrup or honey to taste
- ½ teaspoon vanilla extract
- ⅓ cup unsweetened almond milk or milk of choice
- ⅓ cup Greek yogurt, divided
- Optional, 1 T chia seeds (see notes), melted peanut butter drizzle
Instructions
- In a small bowl or jar, crush one Oreo cookie with a wooden spoon. Add the cocoa powder, peanut butter powder, and oats. Stir dry ingredients together to remove any lumps. Add the maple syrup, vanilla, milk, and 2 tablespoons yogurt. Stir until combined.
- Cover and chill at least 6 hours or overnight. To serve, top with the rest of the yogurt (3-4 tablespoons) and one crushed Oreo cookie. If desired, melt peanut butter in the microwave for 5-10 seconds and drizzle on top.
Notes
- Use rolled oats: Stick to old-fashioned oats for the best texture; quick oats can get mushy.
- Adjust sweetness: Sweeten with maple syrup or honey to your taste—or skip it.
- Balance liquids: Add more milk the next day if needed.
- Chia seeds: Add one tablespoon chia seeds with the oats and increase milk to ½ cup and the stirred-in yogurt to ¼ cup.
- Chill time: Refrigerate for at least 6 hours, ideally overnight.
- Add toppings later: Crush the second Oreo and add toppings just before eating for crunch.
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