High-Protein Peanut Butter Cookies

Name: High-Protein Peanut Butter Cookies
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Yield: 4
Cuisine: American
Ingredients: 1 tablespoon coconut oil or unsalted butter, softened; 4 tablespoons creamy peanut butter (or almond butter); 1 tablespoon coconut sugar; 1 egg yolk; 1 teaspoon vanilla extract; 3 tablespoons Paleo gluten-free flour blend; 1 scoop cinnamon-added collagen protein powder (or whey protein powder and a teaspoon of cinnamon); ⅛ teaspoon baking powder; ¼ teaspoon sea salt

August 12, 2026 by Holly Darnell, RD

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If you’ve browsed the snack aisle lately, you’ve probably noticed that many protein cookies and protein bars feature peanut butter as the primary flavor. That’s no surprise considering peanut butter delivers a rich taste and satisfying texture that pairs especially well with higher-protein recipes.

The downside is that many packaged protein cookies are considered ultra-processed foods and often contain lengthy ingredient lists filled with additives you may prefer to avoid. On top of that, many store-bought options simply don’t deliver on flavor.

The good news is you can make high-protein peanut butter cookies right at home, where you have full control over the ingredients.

What is a protein peanut butter cookie?

Traditional peanut butter cookies are certainly delicious, but classic recipes typically rely on butter, white flour and generous amounts of sugar, while offering relatively little protein.

If you’re looking for a homemade alternative, this protein peanut butter cookies recipe is a great option. These protein peanut butter cookies are made with simple ingredients, are lower in sugar than many traditional recipes and feature cinnamon in the collagen protein powder formula.

Each cookie provides an impressive nutritional profile with:

185 calories
11.1 grams of carbohydrates
12.4 grams of fat
8.5 grams of protein

Whether you’re searching for a classic peanut butter cookies recipe, a protein peanut butter cookie recipe or simply delicious peanut butter cookies, this recipe is easy to prepare and packed with flavor.

Protein peanut butter cookie ingredients

This protein peanut butter cookies recipe starts with wholesome, pantry-friendly ingredients that come together to create soft, flavorful cookies with a balanced nutritional profile. Here are the key players:

Peanut butter

Creamy peanut butter serves as the foundation of this recipe. For the best texture, choose a smooth, organic peanut butter.

Peanut butter provides protein, fat and fiber, which helps with satiety so you may feel satisfied longer after enjoying one of these cookies. If you avoid peanuts, almond butter works well as a substitute.

Butter or coconut oil

Use either softened unsalted butter or coconut oil to provide richness and help create a tender cookie.

Coconut sugar

Instead of refined sugar, this recipe uses coconut sugar, which is made from coconut palm sap and adds subtle caramel-like sweetness.

Vanilla extract

Vanilla extract adds depth of flavor and complements the peanut butter.

Egg yolk

One egg yolk contributes richness and helps create a soft, tender texture.

Paleo gluten-free flour blend

Rather than using traditional white flour, opt for a Paleo gluten-free flour blend. You can purchase a prepared blend or make your own by combining:

1½ cups almond flour
1 cup arrowroot flour
1 cup coconut flour
½ cup tapioca flour

Mix thoroughly, and store the flour blend in an airtight container in a cool, dry location until ready to use.

Collagen protein powder

A lightly cinnamon-flavored collagen protein powder complements the peanut butter while boosting the protein content of these cookies. Look for a collagen supplement sourced from multiple food-based collagen sources if possible.

Some multi-collagen protein powders are formulated as healthy weight management supplements designed to help burn calories and support a healthy metabolism. Certain formulas may also include ingredients such as organic ashwagandha root extract and organic Ceylon cinnamon, with select ingredients backed by multiple clinical studies.

(Ancient Nutrition’s Multi Collagen Advanced Lean is one such supplement. You also can substitute whey protein for the collagen protein powder, such as Ancient Nutrition’s Whey Protein, along with a teaspoon of cinnamon to maintain the light cinnamon taste.)

Baking powder

A small amount of baking powder helps the cookies rise slightly and creates a lighter texture.

Sea salt

Sea salt enhances the peanut butter flavor and balances the sweetness.

How to make high-protein peanut butter cookies

Begin by preheating your oven to 350 degrees Fahrenheit. Prepare a baking sheet by lining it with parchment paper or a silicone baking mat.

In a medium mixing bowl, combine the softened butter (or coconut oil), peanut butter (or almond butter), coconut sugar, egg yolk and vanilla extract. Stir with a rubber spatula until the mixture is smooth and fully incorporated.

Next, add the Paleo gluten-free flour blend, cinnamon collagen protein powder, baking powder and sea salt. Continue mixing until all of the dry ingredients are completely incorporated and no streaks of flour remain.

If the dough feels too dry, add water one teaspoon at a time until it reaches a smooth consistency.

Using a cookie scoop, portion the dough onto the prepared baking sheet. Press each cookie gently with the tines of a fork once vertically and once horizontally to create the classic crisscross peanut butter cookie pattern.

Bake for 13 to 15 minutes or until small cracks begin to appear across the tops of the cookies. Remove from the oven, and allow the cookies to cool before serving.

For storage, keep leftover cookies tightly covered. They can be stored at room temperature for up to two days or refrigerated for up to one week.

Other high-protein snack recipes

If you enjoyed these protein peanut butter cookies, you may also like these high-protein snack recipes: