Peanut Butter Cookie Overnight Oats

Peanut Butter Cookie Overnight Oats are flavored with peanut butter and topped with miniature no-bake cookies. These filling and fun overnight oats make for a great on-the-go breakfast.

Peanut Butter Cookie Overnight Oats

I’m combining two favorites today — no-bake breakfast cookies AND overnight oats. These fun overnight oats are peanut butter-flavored with an easy peanut butter oatmeal cookie topping.

And yes, the whole point of overnight oats is ease, so the cookies are totally optional, but they are simple to make and a fun way to change up overnight oats. I mean, the cookies are so good you may even just want to make them to enjoy on their own! So let’s talk no-bake cookies first and then the overnight oats!

No-bake cookies

These cookies are basically a simplified version of no bake energy bites. They’ve only got four ingredients (I mean, technically 5 are listed, but the oats are used twice just in different forms — whole and ground up).

1. Old-fashioned oats. Whole oats form the base of these cookies. Additional oats are blended up to form an oat flour. Making oat flour is incredibly simple; I break down the process in this Gluten Free Banana Pancakes recipe. Essentially though, you’ll add whole oats to a blender or food processor and pulse or blend until the oats resemble flour.
2. Peanut butter. The “glue” that holds these cookies together, peanut butter is also what flavors these no-bake cookies and adds protein and healthy fats to them.
3. Honey. This ingredient contributes stability and sweetness to the cookies.
4. Miniature chocolate chips. A quintessential cookie addition! If you don’t have mini chocolate chips, coarsely chop up chocolate to add to the mix.

Peanut Butter Cookie Overnight Oats ingredient notes

While most of the ingredients are fairly standard, I want to include a few ingredient tips.

• Sweetener. Depending on how sweet you prefer your breakfasts, scale the sweetener up or down. You may even decide you don’t want any sweetener at all! If you don’t want to use honey or maple syrup, liquid stevia drops are another great alternative; I usually add 1/4 teaspoon. Maple syrup is my favorite sweetener to add to overnight oats; a little goes a long way!
• Greek yogurt. The yogurt can totally overpower these overnight oats, so get a mild tasting, sweet type. My personal favorite is Honey Vanilla Greek yogurt (made by Greek Gods®; not sponsored). It’s sweet, mild, and creamy. Whatever yogurt you use, make sure you like it plain or you likely won’t love it in these Peanut Butter Cookie Overnight Oats.
• Old-fashioned oats. I highly recommend old-fashioned oats; quick oats tend to get mushy and steel-cut oats don’t soften as much.

Recipe notes

• Overnight oats are meant to be eaten cold in the morning. As they soak overnight, they become soft, luscious, and creamy. That said, if you prefer them warm, you can certainly heat them up in the morning.
• You can make Peanut Butter Cookie Overnight Oats in the morning to enjoy. I actually even prefer them this way! Nowadays, I usually make them first thing when I wake up, go work out, and enjoy them post workout (So they’ve sat about 30-45 minutes).
• Make them thicker. I’m obsessed with creamy oatmeal — the creamier the better! I’d say these overnight oats are fairly creamy (even after thickening overnight). If you’d like them thicker, add in 1-2 tablespoon(s) of chia seeds.

More healthy breakfast recipes

• Ham and Cheese Quiche reader favorite recipe
• Almond Granola with coconut oil
• Trail Mix five different recipes
• Chocolate Chip Scones made with Greek yogurt
• Peanut Butter Protein Shake with banana

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5 from 4 votes

Peanut Butter Cookie Overnight Oats

By Chelsea Lords

Peanut Butter Cookie Overnight Oats are a fun, filling breakfast packed with peanut butter flavor and topped with mini no-bake cookies. Perfect for busy mornings!

Prep Time: 10 minutes minutes

Chill Time: 1 hour hour

Total Time: 1 hour hour 10 minutes minutes

Servings: 1 serving

Equipment

• Jar or small bowl or container
• Blender or food processor

Ingredients 

USMetric

 

1x2x3x

Overnight Oats

• ▢ 2-1/2 tablespoons creamy peanut butter
• ▢ 1/2 teaspoon vanilla extract
• ▢ 1/3 cup vanilla Greek yogurt I love Greek Gods honey vanilla yogurt best
• ▢ 2/3 cup unsweetened vanilla almond milk or any other milk
• ▢ 1/2 cup old-fashioned oats see note 1
• ▢ 1 tablespoon maple syrup or honey, see note 2
• ▢ 1/8 teaspoon salt
• ▢ 1/8 teaspoon cinnamon
• ▢ Toppings as desired see note 3

Optional Peanut Butter Oatmeal Cookies

• ▢ 2 tablespoons oat flour regular oats that have been blended
• ▢ 2 tablespoons honey
• ▢ 1/4 cup peanut butter
• ▢ 3/4 cup old-fashioned oats
• ▢ 2 tablespoons miniature chocolate chips

Instructions 

• In a small bowl, mason jar, or plastic container, stir together peanut butter, vanilla extract, Greek yogurt, milk, old-fashioned oats, maple syrup, salt, and cinnamon.
• Stir well until all ingredients are fully incorporated. Taste the mixture and add any additional sweetener if desired.
• Cover and refrigerate overnight or until sufficiently cooled and thickened. (Sometimes I’ll even make them in the morning, get ready, then go eat them—they are great even after just 30 minutes in the fridge.)
• Once ready to enjoy, top oats with a drizzle of peanut butter, some mini chocolate chips, and some mini peanut butter cookies (see next step) if desired.
• For the “cookies,” add the honey, peanut butter, oats, oat flour (measure the oat flour after blending the oats in a blender or food processor), and mini chocolate chips to a small bowl. Mix (kneading with your hands as needed) until a thick dough forms. If too wet, add a bit more oat flour and if too dry, add a bit more honey or peanut butter. Form small balls by squishing the mixture and rolling into balls. Squish it tightly and roll the balls tightly to keep them together. Add a few on top of the overnight oats if desired.

Recipe Notes

Note 1: As written, these overnight oats are intended to be quite creamy. If you’d rather have them thicker, add a few tablespoons additional oats and/or 1–2 tablespoons chia seeds.

Note 2: Scale sweetener up or down to personal preference—you may not even want any! I prefer 1 tablespoon maple syrup; use 2 tablespoons for more sweetness. Alternatively, use 1/4 teaspoon liquid stevia drops for a zero-calorie sweetener.

Note 3: Optional toppings: cookies (see recipe), miniature chocolate chips, drizzle of peanut butter.

Storage: Store leftover Peanut Butter Cookie Overnight Oats in an airtight container in the fridge for up to 3 days. Keep the mini no-bake cookies separate and add them just before eating to keep them fresh.

Nutrition

Serving: 1serving | Calories: 507kcal | Carbohydrates: 40.7g | Protein: 23.5g | Fat: 27.2g | Cholesterol: 12.3mg | Sodium: 327.7mg | Fiber: 6g | Sugar: 8g

Nutrition information is automatically calculated, so should only be used as an approximation.

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