Flourless Peanut Butter Cookies

Featured in: Homemade Bakes

These soft flourless peanut butter delights use only creamy peanut butter, sugar, and egg. Simply blend, shape, and bake until edges set and tops crack. A quick and easy option perfect for a gluten-free, dairy-free snack. Variations like brown sugar, vanilla, or chocolate chips add depth and richness. Cookies firm up as they cool but remain tender and satisfying.

Updated on Mon, 22 Dec 2025 15:32:00 GMT
Golden-brown Flourless Peanut Butter Cookies, neatly arranged on a baking sheet, ready to cool. Save
Golden-brown Flourless Peanut Butter Cookies, neatly arranged on a baking sheet, ready to cool. | crumbnest.com

I was skeptical the first time someone told me you could make cookies with three ingredients. It sounded like one of those internet myths, but I had peanut butter, sugar, and an egg sitting on the counter one afternoon when my nephew showed up unannounced. Within fifteen minutes, we were pulling warm, crackled cookies from the oven. He looked at me like I'd performed magic, and honestly, I felt like I had.

These cookies became my go-to whenever friends dropped by unexpectedly. There was one rainy Saturday when my neighbor came over looking frazzled, and I handed her a still-warm cookie with her coffee. She closed her eyes, took a bite, and said it tasted like her grandmother's kitchen. I never told her how little effort it took.

Ingredients

  • Creamy peanut butter: This is the backbone of the cookie, so choose one you actually enjoy eating straight from the jar. Natural peanut butter works too, but stir it well first or the dough can turn oily.
  • Granulated sugar: White sugar gives you that classic sweet crackle on top, though I have swapped in brown sugar when I wanted a deeper, almost caramel-like chew.
  • Large egg: The egg binds everything together and gives the cookies their tender crumb. Room temperature eggs blend more smoothly, but cold ones work just fine if you are impatient like me.

Instructions

Get the oven ready:
Preheat to 350°F and line a baking sheet with parchment paper. The parchment keeps the bottoms from sticking and makes cleanup laughably easy.
Mix the dough:
Combine peanut butter, sugar, and egg in a bowl, stirring until the mixture is smooth and no streaks remain. It will look thick and glossy, almost like frosting.
Shape the cookies:
Scoop tablespoon-sized portions and roll them into balls with your palms. Space them about two inches apart on the sheet because they spread just a little.
Create the pattern:
Press each ball gently with a fork to flatten, then turn the fork and press again to make a crisscross. This is not just for looks, it helps them bake evenly.
Bake:
Slide them into the oven for 9 to 11 minutes, watching for set edges and tiny cracks on top. They will look underdone, but trust the process.
Cool:
Let them rest on the baking sheet for five minutes before moving them to a wire rack. They firm up as they cool and turn perfectly chewy.
Warm, freshly baked Flourless Peanut Butter Cookies, with a classic crisscross pattern ready to serve. Save
Warm, freshly baked Flourless Peanut Butter Cookies, with a classic crisscross pattern ready to serve. | crumbnest.com

I made a batch for a potluck once, and someone asked if they were from a bakery. I just smiled and said they were a family secret, which felt true even though the recipe came from a scribbled note I found online years ago. Somehow, these simple cookies always feel like more than the sum of their parts.

Flavor Variations

A pinch of sea salt on top before baking cuts the sweetness and makes the peanut flavor pop. If you are feeling indulgent, press a chocolate chip into the center of each cookie before they go in the oven. I have also stirred in a splash of vanilla extract when I wanted a little extra warmth.

Storage Tips

These keep well in an airtight container for up to five days, though they have never lasted that long in my house. If you want to freeze them, layer them between parchment paper and they will stay good for a month. Let them thaw at room temperature and they taste just as fresh.

Troubleshooting and Extras

If your dough feels too sticky, chill it for ten minutes before rolling. If the cookies spread too much, your peanut butter might have been too warm or too oily.

  • Use brown sugar for a richer, chewier cookie with molasses notes.
  • Add a handful of chopped peanuts for extra crunch and texture.
  • Let the dough rest for five minutes before scooping if it feels loose.
Tempting stack of three-ingredient Flourless Peanut Butter Cookies, perfect for a gluten-free dessert. Save
Tempting stack of three-ingredient Flourless Peanut Butter Cookies, perfect for a gluten-free dessert. | crumbnest.com

These cookies are proof that you do not need fancy ingredients or hours in the kitchen to make something people remember. Keep the ingredients on hand, and you will always be ready for a craving or an unexpected guest.

Recipe FAQ

What makes these cookies flourless?

These treats omit traditional flour, relying solely on peanut butter, sugar, and eggs to create texture and structure.

How can I add extra flavor to these cookies?

Try adding a pinch of sea salt, vanilla extract, or pressing chocolate chips on top before baking for richer taste layers.

How long should I bake the cookies?

Bake at 350°F (175°C) for 9 to 11 minutes until edges set and tops show cracks for the perfect texture.

Are these suitable for gluten-free diets?

Yes, the absence of flour and use of simple ingredients make them naturally gluten-free and dairy-free.

Why do the cookies seem soft when hot but firm up later?

They set as they cool on the baking sheet and wire rack, transitioning from tender to a firmer but chewy texture.

Flourless Peanut Butter Cookies

Soft, chewy peanut butter treats made with minimal ingredients for a quick, gluten-free delight.

Prep duration
5 min
Cook duration
10 min
Complete duration
15 min
Created by Chloe Martin


Skill Level Easy

Heritage American

Output 18 Portions

Dietary considerations Meat-Free, No Dairy, No Gluten

Components

Cookie Dough

01 1 cup creamy peanut butter (unsweetened or lightly sweetened)
02 1 cup granulated sugar
03 1 large egg

Directions

Phase 01

Preheat Oven and Prepare Baking Sheet: Preheat the oven to 350°F. Line a baking sheet with parchment paper.

Phase 02

Combine Ingredients: In a medium bowl, mix peanut butter, sugar, and egg until smooth and fully incorporated.

Phase 03

Shape Dough: Scoop tablespoon-sized portions of dough and roll each into a ball. Place them 2 inches apart on the prepared baking sheet.

Phase 04

Flatten Cookies: Gently press each dough ball with a fork to create a crisscross pattern.

Phase 05

Bake: Bake for 9 to 11 minutes until edges are firm and tops start to crack.

Phase 06

Cool Cookies: Remove from oven and cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.

Tools needed

  • Mixing bowl
  • Spoon or spatula
  • Baking sheet
  • Parchment paper
  • Fork
  • Wire rack

Allergy details

Review each component for potential allergens and seek medical guidance if you're uncertain about ingredients.
  • Contains peanuts and eggs; verify peanut butter for other allergen traces.

Nutritional information (each portion)

These values are approximate guides only and shouldn't replace professional medical consultation.
  • Energy: 115
  • Fats: 7 g
  • Carbohydrates: 10 g
  • Proteins: 3 g