Recipe for One Flourless Peanut Butter Cookie

Published July 4, 2014. Updated March 6, 2020

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Two weeks ago I posted a recipe for a single chocolate chip cookie. It has quickly become one of my favorite recipes (like I’ve probably made it 5 times since then) because it’s incredibly easy yet it yields amazing results. It begins with a few basic ingredients (I always keep on hand), a bowl and a spoon, and it ends as a soft, chewy chocolate chip cookie. Since I’ve been so obsessed I decided to create a peanut butter version.  This one is flourless, yet it’s so soft and deliciously chewy. Better yet, it’s only THREE ingredients! Can’t beat that, right? I don’t know if it gets any easier than this.

Recipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking Classy

If you are wondering why the powdered sugar, the first attempt at this recipe I used granulated sugar and there was a faint grittiness, so I thought either try out superfine sugar or powdered sugar. But since the vast majority of us don’t keep superfine sugar on hand (I usually just make mine in the food processor) I decided to go with the powdered sugar and it worked wonderfully. I think the cornstarch in the powdered sugar even offers a little chew to this perfectly peanut buttery cookie.

After making four of these already I know this is going to be my new obsession. You may just find it to be yours too!

Enjoy!

Recipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking Classy

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5 from 5 votes

Recipe for One Flourless Peanut Butter Cookie

The perfect recipe for when you get a cookie craving but don't want to make a full batch! This is so easy, it only requires a 3 basic ingredients and it's incredibly delicious!
Servings: 2
Prep5 minutes
Cook12 minutes
Ready in: 17 minutes

Ingredients

Instructions

  • Preheat oven to 350 degrees. In a bowl, using a fork, stir together all ingredients until well blended and batter begins to dry slightly (the more you stir the drier it will become, you just want it dry enough to be able to hold a shape and form a ball).
  • Shape into a ball then transfer to a Silpat or parchment paper lined baking sheet.
  • Using the palm of your hand, flatten ball slightly, then using the fork gently press downward to make criss cross patterns over entire cookie (it should be about 3 1/2-inches across).
  • Bake in preheated oven 12 - 15 minutes. Cool slightly then enjoy.

Notes

*To get this, crack egg into a small bowl, whisk to blend then measure out 1 Tbsp. Reserve remainder in refrigerator for another use.
Nutrition Facts
Recipe for One Flourless Peanut Butter Cookie
Amount Per Serving
Calories 259 Calories from Fat 153
% Daily Value*
Fat 17g26%
Saturated Fat 4g25%
Cholesterol 28mg9%
Sodium 159mg7%
Potassium 209mg6%
Carbohydrates 21g7%
Fiber 2g8%
Sugar 18g20%
Protein 9g18%
Vitamin A 40IU1%
Calcium 14mg1%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.
Nutrition values are estimates only. See full disclaimer here.
Recipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking ClassyRecipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking ClassyRecipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking ClassyRecipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking ClassyRecipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking ClassyRecipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking ClassyRecipe for One Peanut Butter Cookie! Flourless and only 3 ingredients! | Cooking Classy

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83 Comments

  • Zelda0890

    Awesome cookie, just mine crumbles apart after baking. Anyone else have that problem? What did I do wrong?

  • Delaney

    I wish I’d never found this recipe because OMG is it yummy and way too easy. Dangerously good!

  • Arie

    I have made this recipe in the past and loved it! It made a big enough cookie that I could indulge in half and save the second half for the next day :) I just made another cookie but I used half skippy creamy and half skippy chocolate flavored creamy PB! Excited to see how it turns out! Thank you for the fun and easy recipe

  • JJ

    Jaclyn, I clicked on your recipe for flourless chocolate cookies. (I hope that’s all right, since it was it was meant for “Cookie Fiend”). It does sound interesting, and though I’m not a fan of chocolate cookies, I’m willing to try it. When I do, I’ll let you know how they turn out.

  • Kirsten

    I made these biscuits but weighed all as I do not have cup measurements, borrowed the measurement cup and here it goes: 150g Peanut Butter (and this was not smooth) (any) 75g Icing sugar and 30g of whisked egg. Quickly mixed it and then in fridge for 45 minutes. Rolled into approx. 12 balls and flatten with hand then make pattern with fork. Bake at gas 7 for 10 mins, leave on baking tray till cool then put on wirerack. These are lovely and my daughter in law can now eat something fab as she cannot eat gluten. Thanks for recipe

  • JJ

    Jaclyn, a dear friend of mine from church, Sunny Sellars, is borderline diabetic. Is there a way to adjust this for her? Thanks! God bless you.

    • Jaclyn

      Jaclyn Bell

      I haven’t tried this with any artificial sweetener so I can’t say for sure how it would work. You could probably reduce the sugar a bit though.

  • Cookie Fiend

    Did somebody say peanut butter cookies? Bring them on! Just bring on any cookies, all cookies, I care not what kind as long as it’s cookies. I don’t want pie or cake or ice cream or any other kind of dessert, I want cookies. Do you have a recipe for flourless gingersnaps or maybe chocolate cookies? I have a semi relative who likes them best.

  • JJ

    Sakhineti: if I may make a suggestion, why not try almond butter? When you use it in a recipe, you can’t taste the difference.