A big Oreo stuffed Peanut Butter Protein Cookie with good flavor and nutrition! A healthy single serving Oreo stuffed peanut butter cookie with no butter or sugar and made using oat flour.

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Oreo and peanut butter is just such a good combination, it had to go in this cookie.

Proper peanut butter flavor, and that big Oreo surprise in the middle, but all of this low fat and low sugar too!

Ingredients for Oreo Stuffed Peanut Butter Protein Cookie Recipe

This healthy Oreo stuffed Peanut Butter Protein Cookie recipe has just a few simple ingredients, no butter or oil and no sugar either! A great gluten free protein cookie recipe too.

Oat Flour
Vanilla Protein Powder for healthy, whey protein protein cookie that’s also sugar free
I used Quest Nutrition Vanilla Protein Powder.
Unflavored Protein Powder to replace some of the flour (and carbs) in the recipe. Quest Nutrition whey-casein again here.
Peanut Butter Powder, also known as Powdered Peanut Butter. I recommend Lakanto for a sugar free version (the code HAYLSKITCHEN gives you a discount). Or you could use the one from PbFit or PB2 too.
Creamy Peanut Butter; I recommend American Dream Nut Butter since it’s higher in protein and lower in fat. This link gives you a discount
Unsweetened Applesauce for a soft cookie without butter
Non-fat Greek Yogurt contributes to the oil-free part of these protein cookies since it adds the moisture, and also extra protein
Almond Milk to give the soft cookie a slightly cakey feel, and keep it dairy free.
Baking Powder

For the Oreo cookie filling:

Oreo Cookie

Store Cookies and Cream Peanut Butter Cookie

This cookies and cream peanut butter cookie recipe is a giant single serve and is best had fresh, but you can store it too.

If you want to store it, keep the Oreo peanut butter protein cookie in an airtight container and keep on the countertop for up to 2 days, or fridge 5 days.

To freeze healthy Oreo stuffed peanut butter cookie, place in freezer-safe zipper bag and keep 1-2 months; Don’t forget to thaw before eating!

Alternates for this Healthy Oreo Stuffed Peanut Butter Cookie Recipe

I recommend making this healthy Oreo stuffed peanut butter cookie using the protein powder and other ingredients and products listed – since it gives the best results.

If you need other options for the flours and such, here’s some alternatives:

Oat flour: Use Whole wheat pastry flour or even all purpose flour. A 1:1 Gluten-free all purpose baking flour would work too. Go by the weight for these substitutions.

You can try to use almond flour; I’m a little hesitant about this one, so let me know if you try it.

Unflavored Protein Powder: More flour (also 1 Tbsp)
Unsweetened Applesauce: Pumpkin Puree or Mashed Banana
Peanut Butter Powder: 1 tablespoon Peanut Butter, and also use ½ tablespoon Milk instead
Almond Milk: Regular milk
Greek Yogurt: Coconut Yogurt

A Vegan Oreo PB Cookie Recipe

This single serve Oreo peanut butter cookie recipe has no eggs and uses almond milk, so can easily be made Vegan too.

For the perfect eggless Vegan peanut butter stuffed cookie, make sure you use a plant based protein powder, coconut yogurt and vegan sandwich cookie.

More Single Serve Peanut Butter Protein Cookie Recipes to Try:

More Protein Powder Oreo Recipes