by Olena

Chocolate Protein Cookies

by Olena

chocolate protein cookies

After seeing how much you guys loved my protein cookies, I feel like it’s time to deliver new cookie recipe.:) These chocolate protein cookies are any chocolate lover’s dream and what girl doesn’t like chocolate?!

Double chocolate, moist, sweet, a bit chewy and high in protein. Everything you are looking for in a protein cookie! And don’t throw away brown bananas and going bad avocados just yet…



chocolate protein cookies

When baking with protein powder, in order to avoid rubber cookies, you need to use some kind of fat. Last time I used peanut butter and the reviews were amazing. I’m not bragging, just sharing.

Thank you each and everyone of you who made those cookies and messaged me on Instagram, tweeted of Facebooked me. I appreciate every single one of your messages and it means a world to me! It makes me want to create more. If not for you, I wouldn’t be here today!!! So THANK YOU!

This time I used avocado to make these chocolate protein cookies super moist and glossy.


The cocoa powder and a little bit of dark chocolate chunks cover up the taste and colour of the avocado completely. You won’t taste it, I promise.

Dark chocolate chunks or chips of a square shape melted inside the cookies. Just like any regular chocolate chip cookie, just without the guilt.

chocolate protein cookies

See those square dark chocolate chips?! Love, love, love the shape and taste! I picked them up in a bulk section of the Real Canadian Superstore and paid a whopping $1.39 for 100 gr. Not cheap but you don’t need much. I find chocolate chips have too many unnecessary ingredients. Feel free to use cocoa nibs or just break a dark chocolate bar into small pieces.

chocolate protein cookies

As for the protein powder, use any you like. The beauty of these cookies is that cocoa powder, bananas and avocado will cover up any weird colour or “chalkiness” of some vegetarian protein powders. Brown rice protein powder is one of them.

This time I baked with Kaizen non-GMO whey protein in vanilla bean flavour, sweetened with stevia. Unflavoured powder would work great too. The cookies will be not so sweet, which is better.

I already baked protein coconut macaroons with it and the result was great. Currently, I’m looking to start baking more with vegetarian protein powder as my skin does better with it. What is you favourite vegetarian protein powder?

The reasoning behind the rolled oats instead of quick oats is to make the cookies chewy. Like a real deal. It worked! I used organic old fashioned Bob’s Red Mill rolled oats.

Chocolate protein cookies freeze beautifully! See the recipe below for instructions. Double or triple the batch, saves time! You might also like these No Bake Protein Cookies.


Chocolate Protein Cookies

Double Chocolate Protein Cookies made with 6 ingredients and ready in 10 mins. Vegetarian, gluten free and could be vegan.

  • Author:
  • Prep Time: 5 minutes
  • Cook Time: 10 minutes
  • Total Time: 15 minutes
  • Yield: 14 cookies


  • 1/2 large avocado, mashed
  • 2 medium ripe bananas, mashed
  • 2 scoops (60 g) vanilla whey or any vegetarian protein powder, naturally sweetened or unsweetened
  • 4 tbsp cocoa powder, unsweetened
  • 3 tbsp dark chocolate chips or chunks
  • 1/2 cup rolled oats


  1. Preheat oven to 350 F degrees.
  2. In a medium bowl mash avocado and bananas with a fork. Add protein powder, cocoa powder, dark chocolate chips, rolled oats and mix with a fork to combine.
  3. Line baking sheet with parchment paper, drop full tablespoon of batter on the sheet flattening a bit with the back of the spoon, repeat until all batter is used. You should end up with 12-14 cookies. Bake for 10 mins. No cooling required. Taste best when warm!

Store: Store in an airtight container in the fridge up to 1 week and in the freezer for up to 2 months. To defrost thaw on the counter for 30 mins or defrost in the microwave. Tastes best when warm and fully thawed.

 Did you make this recipe? Please give it a star rating in the comments.


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43 comments on “Chocolate Protein Cookies

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  1. Hey, this recipe looks great. Do the rolled oats have to be quick cook or anything like that? The rolled oats I have at the moment aren’t quick cook and take about 8-10 mins to cook on the stove top.

  2. Thank you so much for this recipe! I tried these last night and they taste INCREDIBLE, I’m actually going to bake another batch tonight.
    The mixture was a bit wet for me and has a strong banana flavour so I’ll increase the protein powder quantity a bit and use 1.5 bananas. Jay

  3. Hi Olena!
    I just made these cookies and they turned out GREAT! i used a vegan plant based protein and used only 1 banana, and added 2 extra scoops of protein and the cookies turned out perfect! thanks for the awesome recipe

  4. Hi. I just made a double batch of these (didn’t want half an avocado left) tonight and I won’t be making them again. Im pretty sure I have whey protein (boyfriend put it in containers and threw out the bag) so maybe that was the issue. Baked them for longer than suggested time and they were complete mush in the middle. They tasted okay but were nothing like a cookie and I ate girl scout cookies to feedy cookie craving. 🙁

  5. I’ve made these twice. First with vegan plant protein, they were perfect and had a nice firm chewy texture. The second with whey protein and they were terrible, they were soggy in the middle and the flavor was off. Definitely sticking with plant protein!

  6. I love the idea of this, but I’m worried about using oats (or really any other flour) because I’m trying to really reduce carbs. What else do you think I could use in its place? Thanks!

  7. I am allergic to bananas and was wondering if you knew what I could replace it with? Thanks I really want to try these they would be perfect for breakfast before work.

  8. Thank you. One more question, Olena. 🙂 What idea of a medium banana do you have? Bananas where I am from range from as small as 15g to as big as 100g a piece. What does a 1/2 large avocado weigh as well?

  9. Hi Olena! Your cookies look great. Can’t wait to try them out. 🙂 How does replacing 1/2 large avocado with that of 1/4 cup peanut butter affect the taste? I’d love to try the recipe out with avocado, unfortunately the fruit is not in season at the moment where I am from.

  10. Just made these with the ingredients I had to hand. I substituted the avocado with peanut butter and a drop of coconut oil and used chocolate whey protein instead of natural.
    Taste absolutely gorgeous!

  11. Just baked the cookies. They are very tasty. I feel healthier with every bite. In general, Nastia is trying more and more recipes from your site and so far everything is trully amaizeballs! Thank you.

    1. Haha, that’s awesome guys! Good for you! Glad you like my Ukrainianized North American cooking.:) Say Hi to Nastya and I hope she feels better!

  12. hi,
    those cookies looks awesome, but can someone confirm me about its taste?? comparing to regular cookies, and what about the texture please??

  13. Hello! I love to bake but have never used much beyond sugar and flour but my friend is going through chemo so I’m looking for healthier cookies to bake him. Any tips for first timers?

  14. Hi! I wanted to make these delicious looking cookies and I was wondering if I could use something different in place of the oats? Like maybe a gluten free flour like coconut or almond flour? Thanks!

    1. Yes, you could. Add slowly to bring the dough to thick consistency like peanut butter. You could also use gluten free oats.

  15. It is my understanding that heating protein powder “kills” the protein in it. Do you have any information regarding that?

    1. Hi, You’re right that heat denatures proteins, but our bodies can still use the amino acids which make up proteins. We heat eggs all the time, which definitely denatures the proteins, but they are still a great source for our bodies! 🙂