No-Bake Peanut Butter & Protein Oatmeal Cookies Recipe

Last year, I decided to make Will no-bake cookies before this 24-hour running relay race he was doing (it’s called Ragnar if it sounds like your kind of thing). I figured the oats and peanut butter would be good fuel to keep his energy up. Little did I know they would be a major hit and devoured by everyone on the team. Will said these no-bake peanut butter cookies were just the ticket before a run when his energy was feeling low. He loves taking them for his motorcylce racing weekends too. Personally, I think these are most enjoyable when I am cuddled up on the couch wearing sweatpants after a long day. But however and wherever you eat them, I bet you’ll find them as tasty as I do!

No-Bake Peanut Butter & Protein Oatmeal Cookies - SCs Scoop

Here are the ingredients you need minus Muscle Milk, which I had already recycled!

No-Bake Peanut Butter & Protein Oatmeal Cookies -

Here’s what the mixture should look like right before you scoop it onto the wax paper

No-Bake Peanut Butter & Protein Oatmeal Cookies -

First batch is on wax paper.​

No-Bake Peanut Butter & Protein Oatmeal Cookies Recipe



  1. In a saucepan, mix butter, sugar and Muscle Milk over medium heat.
  2. Once the mixture reaches a rolling boil, let it sit for two minutes.
  3. After the two minutes is up, remove the saucepan from the heat and mix in peanut butter and vanilla extract.
  4. Next stir, in the oats one cup at a time. When all the oats are mixed in continue stirring as it cools.
  5. Once the mixture has thickened, scoop out spoonfuls on to wax paper and let them sit until they are hard.

No-Bake Peanut Butter & Protein Oatmeal Cookies Recipe -
This recipe makes about 30 cookies, but that can vary depending on how large you like them. I made this recipe after I was inspired with some similar ones online and decided to try it with Muscle Milk for an extra kick of protein. Of course, you can try the recipe with protein powder mixed into milk, if you’re looking for a similar way to get a protein boost.

Do you love no-bake peanut butter cookies? Have you had or made ones like these with protein powder or muscle milk? I would love to hear your cooking secrets in the comments section.

Cheers to the weekend!

Sarah Camille


See my disclaimer here.

26 thoughts on “No-Bake Peanut Butter & Protein Oatmeal Cookies Recipe

  1. Amy says:

    I definitely want to try to make this recipe but I’m guessing you used a liquid form of muscle milk and not the powder? And what flavor did you use? I have vanilla cream powder and figure I can just do one scoop with 3/4 cup milk but that would only provide 16g of protein… hmm… if you have any suggestions let me know as I am responsible for baking treats for a half marathon trail run for about 150 people and I feel like this could be a healthy item in addition to my not so healthy muffins and cookies… of course I will test out a single batch before I triple or quadruple it! 🤪 thanks for sharing!

    • SC says:

      Hi Amy! Yes, I used the liquid vanilla muscle milk. Combined with the peanut butter there there’s a pretty good amount of protein, but you could try adding another scoop of powder. I don’t think that would alter the taste & they’d be perfect for a half marathon!! Let me know if you try it & best of luck with the race! 😊

      • Amy says:

        thank you so much for the reply!! I will be sure to check back in after I give this recipe a shot! and great point about the protein content in the PB! I hadn’t even thought of that. 🙂

    • SC says:

      Oh no! Well I bet it would be just as good with whey if you mix that with milk. Let me know if you try it. 🙂

  2. santanasays95 says:

    These look delicious, I love the idea of no bake cookies especially in warmer months when you dont want to have the oven on for long.

  3. blogthirtyminusone says:

    These look so good. And the no bake part, has to be my most favorite. Will have to try to make these with my girls.

  4. Taylor Kirk says:

    Such an amazing idea to put protein in them. My mom makes no bakes all the time and I never thought about adding some protein in them. Can’t wait to see more recipes

  5. Linda Memphis says:

    They look yummy and who doesn’t love a no-bake cookie! Thanks for sharing, I have a 13 year old in our house who is hanging out for me to try these out!!

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