Flourless Peanut Butter Cookies

Flourless peanut butter cookies are the kind of recipe that makes you look like a total kitchen genius with almost zero effort. We’re talking five pantry staples, one bowl, and about 20 minutes from start to snack time.

They’re naturally gluten-free, incredibly chewy, and taste like something you’d find in a cozy little bakery — not a “healthy” substitute. Think rich peanut butter flavor, crisp edges, a soft center, and that gorgeous crosshatch on top with a little flick of sea salt.

Hey there, I’m Claire Whitmore — a pastry whisperer in Asheville, NC, where butter totally counts as self-care. This flourless peanut butter cookies recipe is my go-to when I want something homemade without turning my kitchen into a disaster zone.

I first made these on a rainy Sunday when I realized I was completely out of flour. I figured, why not try it anyway? One bite in, and I never looked back. Now they’re on permanent rotation in my house.

Little Snapshot: What This Recipe Delivers

These flourless peanut butter cookies come together with just peanut butter, sugar, an egg, vanilla, and sea salt — no flour, no butter, no chilling required. They bake up in 10 minutes, serve 18, and are naturally gluten-free with a chewy-crispy texture that tastes anything but simple.

Why You’ll Love This Recipe

• This flourless peanut butter cookie recipe takes less time than folding laundry — and is way more satisfying.
• You only need one bowl and five ingredients, which means cleanup is practically a non-event. More time for coffee, less time scrubbing pans.
• They’re naturally gluten-free, so everyone at the table can enjoy them without any swaps or special trips to the store.
• According to King Arthur Baking’s deep dive into peanut butter cookie science, the fat content in peanut butter is what gives these cookies their structure — and this recipe leans into that beautifully.

Quick Facts

Here’s the quick scoop on this flourless peanut butter cookie recipe.

• Course Dessert
• Prep Time 10 minutes
• Cook Time 10 minutes
• Total Time 20 minutes
• Servings 18 cookies
• Difficulty Easy

Nutritional Peek

Here’s a rough look at the nutrition per cookie, based on 18 servings. Numbers will vary slightly depending on your peanut butter brand.

Nutrient	Amount Per Serving
Calories	~120 kcal
Protein	4g
Carbohydrates	11g
Fat	7g
Fiber	1g
Sugar	9g

Ingredients

This easy cookie recipe keeps things beautifully minimal. The star is your peanut butter — make sure it’s natural with just nuts and salt for the best texture and flavor.

For the binder and flavor: you’ll need one large egg (lightly beaten), a teaspoon of pure vanilla extract, and a cup of granulated sugar. A pinch of coarse sea salt on top brings it all together. That’s genuinely it.

Amount	Ingredient
1 cup	Natural peanut butter (yes, the kind where the oil separates — it’s worth it)
1 cup	Granulated sugar
1 teaspoon	Pure vanilla extract
1 large	Egg, lightly beaten
To taste	Coarse sea salt, for sprinkling on top

Tools You’ll Actually Use

• Medium mixing bowl
• Wooden spoon or rubber spatula
• 2 baking sheets (ungreased)
• Tablespoon or small cookie scoop
• Fork (for that classic crosshatch)
• Wire cooling rack
• Oven with two racks

Step-by-Step Instructions for Flourless Peanut Butter Cookies

Step 1: Preheat your oven. Set it to 350 degrees F and position your racks in the upper and lower thirds of the oven. This two-rack setup helps the cookies bake evenly when you’re doing multiple sheets at once.

Step 2: Mix the dough. In a medium bowl, combine 1 cup natural peanut butter, 1 cup granulated sugar, 1 teaspoon pure vanilla extract, and 1 lightly beaten large egg. Stir until the mixture is fully combined and smooth — it comes together faster than you’d think.

Step 3: Scoop the cookies. Spoon 1 tablespoon of dough per cookie onto ungreased baking sheets, spacing them about 1 inch apart. These don’t spread dramatically, but give them a little breathing room.

Step 4: Flatten and crosshatch. Use the tines of a fork to gently press down each cookie, creating a classic crosshatch pattern. This is the move that makes them look bakery-worthy with zero extra effort.

Step 5: Add sea salt. Sprinkle a little coarse sea salt over each cookie before they go in the oven. It’s a small touch that makes a huge difference — that salty-sweet thing is real.

Step 6: Bake to golden. Slide both sheets into the oven and bake for about 10 minutes, switching the positions of the sheets halfway through. You’re looking for the edges to turn golden — the centers will still look a tiny bit underdone, and that’s perfect.

Step 7: Cool on a rack. Transfer the cookies to a wire rack and let them cool completely. They firm up as they cool, so don’t be tempted to eat them straight off the sheet (okay, maybe just one).

Step 8: Repeat. Bake any remaining dough the same way. You should get about 18 cookies total from this batch.

Claire’s Pro Tips for the Best Gluten-Free Cookies

When it comes to this easy cookie recipe, a few small details make a surprisingly big difference. Here’s what I’ve learned from making these more times than I can count.

Use natural peanut butter, not the shelf-stable kind. The kind that separates — where you have to stir in the oil — gives you a richer, deeper flavor and better texture. Shelf-stable peanut butter has added stabilizers that can make the cookies a bit dense and cloying.

Don’t overbake. These cookies look underdone when they come out of the oven, and that is exactly right. They’ll firm up as they cool on the rack. If they look fully set in the oven, they’ll be dry by the time they’re room temperature.

Let the dough rest for 5 minutes before scooping. It thickens up slightly and becomes much easier to portion cleanly. Worth the small wait.

Use a small cookie scoop for uniform cookies. This means they all bake at the same rate, so you’re not pulling half-raw cookies off the sheet while others are already overdone.

Quick Fixes for Flourless Peanut Butter Cookies

My cookies are crumbling when I try to move them. They need more cooling time. These cookies are fragile right out of the oven. Let them sit on the baking sheet for 5 minutes before transferring to the rack — patience is everything here.

The dough is too sticky to scoop. Pop the bowl in the fridge for 10 minutes. The dough firms up beautifully and becomes much easier to work with.

My cookies came out dry and crumbly. They were probably overbaked. Even 1-2 extra minutes at this temperature can dry them out. Pull them when the edges are just golden and the centers still look soft.

The cookies are spreading too flat. Your peanut butter might have too much oil. Give the jar a good stir before measuring, and make sure you’re using the full 1 cup — not a heaping cup.

They taste a little flat. Don’t skip the sea salt on top — it makes an enormous difference. A small flake of coarse salt on each cookie brings the whole flavor profile to life.

Variations and Fun Twists

Once you have the base recipe down, these gluten-free cookies are a blank canvas for fun. Here are some of my favorite ways to mix things up.

Chocolate drizzle: Melt a handful of dark chocolate chips and drizzle over cooled cookies. Pairs incredibly well with chocolate-peanut butter treats if you’re building a full dessert spread.

Brown sugar swap: Replace up to half the white sugar with brown sugar for a deeper, almost caramel-y flavor. The texture becomes slightly chewier too.

Almond butter version: Swap the peanut butter 1:1 for almond butter. The flavor is more subtle and slightly sweeter — beautiful with a sprinkle of flaky salt and a few sliced almonds pressed on top.

Add-ins: Fold in mini chocolate chips, chopped roasted peanuts, or even a few dried cranberries before scooping. Keep add-ins to about 1/3 cup total so the cookies hold their shape.

Festive version: Press a chocolate kiss or a few M&Ms into the center right after baking. Great for holidays and way cuter than it has any right to be for a five-ingredient cookie.

Serving, Storage, and Reheating

These cookies are at their absolute best the day they’re made — slightly warm, crisp on the edges, and chewy in the middle. Serve them alongside a strong cup of coffee or a cold glass of milk for maximum effect. They’d also look adorable next to something fun like a crowd-pleasing slow cooker dip at a party spread.

If you actually have leftovers — which, honestly, is a big if — store them in an airtight container at room temperature for up to 5 days. Layer parchment between them if you’re stacking to keep them from sticking together.

To reheat, pop a cookie in the microwave for 8-10 seconds and it’ll taste almost fresh-baked again. You can also warm them in a 300-degree oven for about 3-4 minutes if you’re reheating a whole batch.

No-Waste Kitchen Magic

Got a cookie or two that crumbled? Don’t toss them — crumbled flourless peanut butter cookies are incredible as an ice cream topping or mixed into vanilla yogurt for a snack that feels way more intentional than it is.

If your batch came out a little too dense or dry, crumble them into a bowl and press the pieces into a mini muffin tin. Add a small scoop of your favorite jam or a chocolate ganache center and bake at 325 for 5 minutes. Instant cookie cups.

Extra dough can also be rolled into small balls, frozen on a baking sheet, then stored in a zip bag in the freezer for up to 3 months. Bake straight from frozen — just add 2-3 minutes to the bake time.

FAQs About Flourless Peanut Butter Cookies

Cozy Closing

I genuinely hope these flourless peanut butter cookies become your new go-to when you need something homemade and delicious without a whole production. They’re that rare recipe that delivers big on flavor with almost no effort at all.

If you’re on a peanut butter kick, you’ve got to check out my chocolate-covered peanut butter eggs — they’re just as simple and dangerously good.

I’d love to see your spin on these flourless peanut butter cookies! Drop a comment below with your photos — did you add chocolate chips? Try almond butter? I’d love to see how you made them your own. These flourless peanut butter cookies are so versatile, I just know you’ve already got some fun ideas brewing.

And while you’re here, why not check out some other easy wins from the EdenPlate kitchen? My crispy chicken tenders with honey mustard are a dinnertime favorite that comes together just as easily.

About Claire

I’m Claire Whitmore — a dessert daydreamer from Asheville, NC. For me, baking isn’t about perfect pastries — it’s about the joy of sharing something sweet and maybe sneaking an extra cookie before they’ve fully cooled.