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Home » Recipes » Cookies

Oatmeal Protein Cookies

By Laura Fuentes Updated Mar 11, 2026

5 from 229 votes

Recipe

This post may contain affiliate links. Read our disclosure policy here.

This tasty cookie is loaded up with protein and naturally sweetened. Best of all, you can pull these dessert or snack cookies together in under 15 mins!

Healthy, flourless, and full of amazing flavor, this oatmeal protein cookie is about to become your new favorite snack.

stack of oatmeal protein cookies

Protein Oatmeal Cookies with Bananas

Do you ever look at a packed lunchbox and think to yourself: "I have to add something else in here" or, "I need to a small something for snack time." I've experienced this scenario often until I decided to write my 240-page book The Best Homemade Kids' Snacks on the Planet.

When I set out to make this protein oatmeal cookie, I wanted to emphasize amazing flavor, but also give myself and my kids a nice boost of energy to get us through the day, instead of a sugar crash that most cookies will provide if you eat them in the middle of your day.

Ingredients

I have experimented with different protein powders and flavors for this oatmeal cookie, and nothing beats the classic vanilla protein powder (though chocolate is a close second). Then, you’ll also need bananas for natural sweetness, peanut butter, vanilla, baking powder, oats, hemp seed hearts, and chia seeds.

Step-by-step photos showing protein oatmeal cookies being made: dry and wet ingredients including mashed banana, oats, protein powder, chia seeds, cinnamon, and baking powder added to a mixing bowl; scoops of cookie dough placed onto a parchment-lined baking sheet; baked oatmeal cookies cooling on a wire rack.

How to Make High Protein Oatmeal Cookies

Here’s how to make this soft and chewy protein oatmeal cookie:

  1. Preheat the oven to 350F and line a baking sheet with parchment paper.
  2. Combine mashed banana, peanut butter, vanilla, and baking powder in a large bowl.
  3. Make these cookies super nutritious by adding protein powder, oats, hemp seed hearts, and chia. You want to combine until you have a thick batter.
  4. Shape the cookies by scooping mounds onto the lined baking sheet and pressing down to shape the dough into a cookie. These cookies don't expand in the oven.
  5. Bake in the preheated oven for 10-12 minutes. 

More High-Protein Snack Ideas

Need more portable snacks that taste delicious and are packed with nutrition? Try these blueberry cottage cheese muffins, this pineapple smoothie, and these homemade Grab the Gold Bars.

Oatmeal Protein Cookie Recipe

stack of oatmeal protein cookies
Servings: 12 cookies
Prep Time: 5 minutes mins
Cook Time: 10 minutes mins
This tasty cookie is loaded up with protein and naturally sweetened. Best of all, you can pull these dessert or snack cookies together in under 15 mins!
5 from 229 votes
Print Pin

Watch how it’s made:

Ingredients

  • 1 ½ cups mashed bananas, about 3 medium bananas
  • ¼ cup peanut butter
  • 2 teaspoons vanilla
  • 1 ½ teaspoons baking powder
  • ½ cup vanilla protein
  • 1 ¼ cups oats
  • ¼ cup hemp seed hearts
  • 1 tablespoon Chia Seeds

Instructions

  • Preheat oven to 350F and line a baking sheet with parchment paper.
  • In a large bowl, combine mashed banana, peanut butter, vanilla, and baking powder. Add protein powder, oats, hemp seed hearts, and chia until everything is combined and you have a thick batter.
  • Scoop 1 tablespoon-sized mounds onto the lined baking sheet. Press down with your fingers or a fork to shape the dough into a cookie.
  • Bake for 10-12 minutes. Remove from oven and allow to cool down to room temperature. Refrigerate leftovers for up to 4 days.

Equipment

Clean Treats
Clean Treats Cookbook
The Best Homemade Kid’s Snacks on the Planet

Nutrition

Serving: 1 cookie | Calories: 133kcal | Carbohydrates: 16g | Protein: 7g | Fat: 5g | Saturated Fat: 1g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 1g | Trans Fat: 0.002g | Cholesterol: 9mg | Sodium: 95mg | Potassium: 191mg | Fiber: 2g | Sugar: 4g | Vitamin A: 40IU | Vitamin C: 2mg | Calcium: 72mg | Iron: 1mg

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Comments

    5 from 229 votes (17 ratings without comment)

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    Recipe Rating




  1. Olivia says

    January 28, 2024 at 5:46 pm

    5 stars
    Delicious! Makes a healthy breakfast prep easy.

    Reply
  2. Anastacia says

    March 24, 2019 at 10:48 pm

    5 stars
    This looks so healthy!! Would it be possible to sub out bananas for pumpkin?

    Reply
  3. Melanie H. says

    September 03, 2016 at 10:51 am

    5 stars
    How would this recipe do in the freezer? I’d like to make extra to have on hand.

    Reply
    • Laura Fuentes says

      September 04, 2016 at 8:34 am

      5 stars
      I’ve frozen the dough many times. All you have to do is thaw, bake, and enjoy!

      Reply
      • Kimberly Adams says

        December 18, 2025 at 8:13 pm

        I made them with chocolate protein powder, I can’t get enough of these cookies! I will be making these on the regular. Thankyou.

        Reply
  4. Erin K. says

    August 12, 2016 at 3:22 pm

    4 stars
    So good!

    Reply
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Trackbacks

  1. Healthy Pumpkin Pie Breakfast Cookies | MOMables says:
    September 12, 2019 at 11:22 am

    5 stars
    Looks so good

    Reply
Laura fuentes holding a skillet of food standing in front of a blue door

Hi! I'm Laura.
Certified Integrative Nutrition Health Coach, mom of three, and the woman behind the world’s best pancakes—here to help you ditch the mealtime drama with recipes your family will actually eat.

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