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Home By Meal Dessert

Three Ingredient Peanut Butter Cookies

★★★★★ 13 Reviews Recipe Print
By: Erin2/20/19

This post may contain affiliate links. Please read my disclosure policy.

These three-ingredient peanut butter cookies are so simple and easy to make, are soft, chewy, flourless, and made with only one bowl. They are gluten-free, healthy, and loaded with peanut butter flavor.

three ingredient peanut butter cookie on tray

Calling all peanut butter lovers, you are gonna go nuts over these three-ingredient cookies because they are literally loaded with peanut butter flavor.

I’ve been making these cookies for a while now, especially because they literally don’t take any brainpower or thinking, come together in less than 20 minutes, and are so delicious, so I figured it was time to put them up on the blog!

If you can’t tell, I love peanut butter and include it in a lot of my recipes. If you love it as much as I do, you should make my No Bake Peanut Butter Oatmeal Cookies and Gluten Free Peanut Butter Cookie Cups too!

three ingredient peanut butter cookies on baking sheet

I remember feeling skeptical about the fact that these cookies only had three ingredients, how could that possibly taste good? I remember making three-ingredient cookies back when I was in my crazy healthy eating days and they literally tasted horrible.

But just trust me on this one that you need to make these three ingredient cookies!

This recipe is so easy to make, too.

peanut butter cookie on a tray

How to Make Peanut Butter Cookies With Just 3 Ingredients

All you need to do is crack the egg into a bowl, add in the peanut butter and coconut sugar, stir it up with a spoon. Once fully combined you roll the dough into balls and then press them down by flattening with the back of a fork. This gives that signature criss-cross look.

Bake these cookies for about 10 minutes at 350F and just like that you have incredibly delicious and decadent cookies. I like to dip them into chocolate and top with a sprinkle of sea salt as well.

I love to bring these cookies to a party because people always think I spent all day in the kitchen when really I just spent 15 minutes. I like to call that cookie magic.

three ingredient peanut butter cookies on a tray

Ingredients for Peanut Butter Cookies

The only three ingredients that you need are:

  • 1 egg
  • 1 cup creamy peanut butter (natural, I prefer just two ingredients: peanuts and salt)
  • 3/4 cup coconut sugar

Optional add-ins:

  • 1/2 tsp vanilla
  • Pinch of salt if you’re not using salted peanut butter
  • Melted chocolate for dipping
  • Extra sea salt for sprinkling

Can you use other ingredients in these three-ingredient peanut butter cookies?

Yes, there are lots of different ingredient substitutions you can make for this recipe.

Coconut Sugar Substitute

If you don’t have coconut sugar, you can use brown sugar at the same ratio. They will give a very similar flavor and texture.

Peanut Butter Substitute

Feel free to also use any other type of natural nut butter. These cookies would be great with almond butter or cashew butter, too.

Flax Egg for Vegan Peanut Butter Cookies

I haven’t tried them yet with a flax egg to make them vegan, but if you try it, be sure to let me know in the comments!

I know you’re going to love these flourless three-ingredient peanut butter cookies!

How To Properly Store Homemade Peanut Butter Cookies

You can keep these cookies in an airtight container on your counter or in the pantry. They will last about 2-3 weeks this way.

You can also freeze them. I prefer to freeze the cookie dough and make fresh cookies. But you can freeze the cookies too. They will last about 3 months in the freezer.

How to Make Keto Peanut Butter Cookies

You can use my exact recipe for a keto dessert. Just make one swap. Instead of coconut sugar, use monk fruit sweetener or erythritol instead. All the other ingredients are keto-friendly.

How Do You Know When They Are Done?

Normally you can tell when cookies are done when the edges start to turn golden-brown. But since these are peanut butter cookies, they don’t really change colors much.

To tell if they are done, look for a matte finish on the top. If they are super “wet” or shiny, let them cook a little while longer.

You also want the edges to be crispier and less doughy.

Bake The Cookies On Parchment Paper

Line the cookie sheet with parchment paper or a silicone mat before spooning out the dough.

If you bake the cookies directly on a greased cookie sheet, the bottoms will brown too fast and could even burn before the tops and middles are fully baked.

But the parchment paper protects the cookies and helps them bake evenly.

If you love cookies, try these recipes!

  • White Chocolate Macadamia Nut Cookies
  • Peanut Butter Chocolate Chip Cookies
  • Tahini Sea Salt Chocolate Chip Cookies
three ingredient peanut butter cookie on tray
★★★★★ 5 from 13 reviews

Three Ingredient Peanut Butter Cookies

These three ingredient peanut butter cookies are so simple and easy to make, are soft, chewy, flourless, and made with only one bowl. They are gluten free, healthy, and loaded with peanut butter flavor.

Prep: 5Cook: 10Total: 15 minutes
Yield 12 cookies 1x
Print Pin it Rate

Ingredients

  • 1 cup natural peanut butter (chilled)
  • 1 egg
  • 3/4 cup coconut sugar
  • pinch of salt if peanut butter isn’t salted

Optional

  • melted chocolate for dipping
  • sea salt for sprinkling

Instructions

  1. Preheat oven to 350F and line baking sheet with parchment paper.
  2. In a large bowl, mix peanut butter, egg, and coconut sugar. Stir until well combined.
  3. Using a tablespoon, roll into balls and place onto baking sheet.
  4. Press down with a fork, creating a criss-cross shape.
  5. Bake for 10-12 minutes and let cool completely.
  6. Optional to dip in melted chocolate and sprinkle with sea salt!
Author: Erin MorrisseyCategory: gluten-free, dessert, snack
three ingredient peanut butter cookie on tray

Did you make this?

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three ingredient peanut butter cookies

There may be affiliate links in this post! By purchasing a product I recommend, I may receive a small compensation. However, I only recommend products I absolutely love and use myself. Thank you for supporting Erin Lives Whole, it helps keep this blog afloat 🙂

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Recipe rating ★☆ ★☆ ★☆ ★☆ ★☆

  1. Sophie says

    Posted on 9/12 at 8:21 pm

    AWESOME! I made 1/4 of the recipe for 5 small cookies(keyword: small – if they’re smaller, can’t you eat more??? ;)) because I had a random 1/4 of an egg lying around. Dipped them in around 1/2 ounce dark choco and they’re delish! Soft, kinda fudgy?? idk but they are awesome. I tried them again bc my friend and sister are allergic to eggs with “just egg”and it worked out amazing! vegan 3-ingredient cookies!!! yessss

    ★★★★★

    Reply
    • Erin says

      Posted on 9/13 at 4:29 pm

      Hi Sophie, so happy you loved it and made it your own! Thank you for sharing!!

      Reply
  2. Alyssa says

    Posted on 12/6 at 11:11 am

    Not gonna lie, I put these in the oven and was like “there’s no way these will turn out good, they’re too wet, I must’ve did something wrong” 13 minutes later… omg I’m going to eat the whole batch 😂 These are perfect and so easy!!

    ★★★★★

    Reply
    • Erin says

      Posted on 12/6 at 1:20 pm

      Hi Alyssa, so happy you loved the cookies!! 🙂

      Reply
  3. Hailey says

    Posted on 1/30 at 6:27 am

    Made these for a fellow “PB lover”- they are the PERFECT amount of peanut butter!

    ★★★★★

    Reply
    • Erin says

      Posted on 1/30 at 12:46 pm

      Hi Hailey, I am so happy you loved them!

      Reply
  4. Kate says

    Posted on 1/19 at 8:41 pm

    These were an instant hit on Christmas! I had to hide them after I took them out of the oven so that we actually have some left for Christmas dessert. Dipping in chocolate and topping with sea salt was the perfect way to finish them. 10 out of 10 will definitely make again!

    ★★★★★

    Reply
    • Erin says

      Posted on 1/19 at 9:05 pm

      Hi Kate, so glad you enjoyed the cookies!! Thanks for sharing!

      Reply
  5. blr says

    Posted on 1/17 at 7:41 pm

    My favorite peanut butter cookie! The chocolate and salt are such a delicious addition! Simple to make for such a tasty treat.

    ★★★★★

    Reply
    • Erin says

      Posted on 1/18 at 3:49 pm

      Hi! I am so happy you love them!

      Reply
  6. Courtney says

    Posted on 1/4 at 1:49 pm

    Could not believe how easy these were to make. My family absolutely loved them and wouldn’t believe me when I said they were 3 ingredients. We all agreed these are better than peanut butter cups and would prefer these any day!

    ★★★★★

    Reply
    • Erin says

      Posted on 1/4 at 3:53 pm

      Hi Courtney, I am so glad you loved them!!

      Reply
  7. Brooke says

    Posted on 1/3 at 3:15 pm

    These are so good and so easy! I have made them twice in the past two weeks and they come out perfect every time! Very few ingredients and very simple/quick to make!

    ★★★★★

    Reply
    • Erin says

      Posted on 1/4 at 1:18 pm

      Hi Brooke, thanks for your kind words! I am so glad you love them!

      Reply
  8. Stephanie says

    Posted on 9/17 at 11:02 am

    Would it be a problem if the peanut butter was room temp before making these or does it have to be chilled?

    Reply
    • Erin says

      Posted on 9/20 at 11:16 am

      Hi Stephanie, you can leave it room temperature. They just may spread more. Let me know how they come out!

      Reply
  9. Emily says

    Posted on 8/10 at 10:38 am

    Literally the best cookies ever!! So easy to make which makes it even more worth it. The sea salt on top just puts it over the top. Introduced my friends to these and now these cookies are their go-to, too!

    Reply
    • Erin says

      Posted on 8/10 at 8:47 pm

      Hi Emily, I am so happy you love them so much!!

      Reply
  10. brooks bernard says

    Posted on 3/22 at 10:45 am

    Made these for the first time on Fri. Loved them so much that I made them a second time on Sat.
    Notes: I like using coconut sugar better then monk fruit/erithrytol mix sweetner. The coconut sugar had a better texture and flavor.

    ★★★★★

    Reply
    • Erin says

      Posted on 8/6 at 11:22 pm

      Hi Brooks, I am so happy you enjoyed the cookies!!

      Reply
  11. Jenn lyons says

    Posted on 1/20 at 9:47 pm

    Amazing cookies! These cookies have become a staple in my household and a hit with everyone who tries them ? they are delicious and super easy to make with only 3 ingredients!

    ★★★★★

    Reply
    • Erin says

      Posted on 8/11 at 8:04 am

      Hi Jenn, thanks you for your kind words! I am so happy your family loves them!

      Reply
    • Erin says

      Posted on 4/22 at 9:06 pm

      These are so easy and delicious! They melt in your mouth! Definitely on the again list.

      ★★★★★

      Reply
      • Erin says

        Posted on 4/22 at 10:09 pm

        Hi Erin, so glad you loved them!!

  12. Mar says

    Posted on 4/4 at 9:23 pm

    Super easy and so yummy! My favorite peanut butter cookie recipe!

    ★★★★★

    Reply
    • Erin says

      Posted on 4/5 at 3:32 pm

      Thank you Mar!!!! 🙂

      Reply
  13. Leah says

    Posted on 4/4 at 5:56 pm

    So simple and so delicious. A staple when you’re like “I don’t know what to make for this event”. People will think you spent lots of time in the kitchen. I made them even smaller and this recipe made SO MANY! The half-dipped chocolate is v necessary.

    ★★★★★

    Reply
    • Erin says

      Posted on 4/4 at 8:02 pm

      YUP! Literally my go-to for any event cause they are quick, easy, and still good! Thanks chicka!

      Reply
  14. Mayle says

    Posted on 4/4 at 9:28 am

    Super easy to make and yummy! Just let them set or else they fall apart and I’m a fatty and had to learn the hard way lol

    ★★★★★

    Reply
    • Erin says

      Posted on 4/4 at 4:21 pm

      hhahahaha yes the cooling is necessary but it can be really hard to wait 🙂

      Reply

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I’m Erin. Creator of Erin Lives Whole, a food blog with delicious and easy healthy recipes that will leave you feeling good. We’ve got everything from wholesome baked goods to comforting savory dishes. I can’t wait to see what you whip up! Read More...

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