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A stack of freshly baked 3-Ingredient Peanut Butter Cookies with a classic fork pattern.

3-Ingredient Peanut Butter Cookies: Effortless Bliss in

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Written by Carla Davis

August 27, 2025

You know those days when the craving for something sweet hits you like a ton of bricks, but you don’t want to drag out every baking tool in your kitchen? That’s exactly how these 3-ingredient peanut butter cookies came to my rescue last Tuesday. I was rummaging through my nearly empty pantry – just peanut butter, sugar, and a single egg left – when I remembered my grandma’s magic trick from childhood. Fifteen minutes later, my kitchen smelled like pure nostalgia, and I had a batch of warm, crumbly cookies that tasted like love and simplicity rolled into one. These flourless wonders are my go-to when life gets hectic, when gluten-free friends pop by unexpectedly, or when I just need a quick small-batch treat that won’t leave me with leftovers taunting me from the cookie jar.

Why You’ll Love These 3-Ingredient Peanut Butter Cookies

Let me count the ways these little miracles will steal your heart (and probably your willpower). First off, they’re my emergency cookie solution – the kind you can whip up while your coffee brews. Here’s why they belong in your recipe rotation:

  • 5-minute prep – No mixer, no fuss, just one bowl and spoon
  • Naturally gluten-free – No special flour blends needed
  • Pantry magic – Uses ingredients you always have on hand
  • Perfect small batch – Makes just enough to satisfy without tempting you all week
  • Meal planning hero – The dough freezes beautifully for instant cookie therapy

These cookies remind me why some of the best things in life – like childhood memories and stress-free baking – truly are the simplest.

Ingredients for 3-Ingredient Peanut Butter Cookies

These cookies prove that great baking doesn’t need a shopping list longer than your arm. Here’s all you’ll need (and I’ll tell you my little secrets for each one):

  • 1 cup peanut butter – Use the natural kind you stir, not the shelf-stable stuff. The oil separation in natural peanut butter gives cookies that perfect chewy-crispy texture. In a pinch, regular works too—just expect slightly puffier cookies.
  • 1 cup sugar – Plain white sugar makes classic crispy edges, but brown sugar gives a deeper flavor. When I’m feeling fancy, I do half brown, half white. Honey works for liquid sweeteners, but reduce to ⅔ cup since it’s sweeter.
  • 1 large egg – Room temperature blends smoother, but I’ve used one straight from the fridge in emergencies (just mix extra well). For egg-free, try a flax egg, but know the texture changes.

See? Even writing the ingredient list took less time than preheating the oven. That’s what I call efficient baking!

How to Make 3-Ingredient Peanut Butter Cookies

Here’s where the magic happens – turning three humble ingredients into cookie perfection. I can practically do this with my eyes closed now (though I don’t recommend it – peanut butter stains are stubborn!). Let me walk you through each step so your cookies turn out just right:

  • First, crank that oven to 350°F (175°C). No need to wait – these cookies are practically faster than preheating!
  • Grab your favorite mixing bowl – I use the same chipped yellow one my mom gave me in college. Dump in the peanut butter, sugar, and egg.
  • Mix with a wooden spoon until smooth (about a minute). You’re done when no streaks of egg remain.
  • Scoop tablespoon-sized portions onto a baking sheet. Pro tip: Leave 2 inches between – these babies spread like gossip at a bridge club!
  • Flatten with a fork in that classic crisscross pattern (more on that below).
  • Bake 10-12 minutes until the edges turn golden. They’ll firm up as they cool, so don’t wait for them to look “done.”
  • Let them rest on the pan for 5 minutes – resisting the urge to snatch one is the hardest part!

Mixing the Dough

This part’s foolproof, but here’s how I get it just right: stir until the mixture looks like thick cake batter – smooth with no sugar granules left. Overmixing makes tough cookies, so stop when everything’s just combined. If your dough feels too sticky (this happens with natural peanut butter), chill it 15 minutes. Too crumbly? Add a teaspoon of water. Simple as that!

Shaping and Baking

The crisscross isn’t just pretty – it helps these thick cookies bake evenly! Dip your fork in sugar first to prevent sticking. Press down gently twice at right angles, leaving ridges that crisp up beautifully. Want chewy centers? Pull them out at 10 minutes when they still look slightly underbaked. For crispier cookies, give them the full 12 minutes until they’re lightly browned all over. Either way, that warm peanut butter aroma will tell you when they’re ready!

Tips for Perfect 3-Ingredient Peanut Butter Cookies

After making these cookies more times than I can count (okay, doing the math might explain why my jeans feel snug), I’ve picked up some foolproof tricks for cookie perfection. First, that egg really does work better at room temperature – I just pop it in a bowl of warm water for 5 minutes if I forget to take it out ahead of time. Natural peanut butter makes all the difference – the kind you have to stir gives these cookies that dreamy crisp-chewy combo. And here’s my golden rule: take them out when they look underdone. Those golden edges keep baking on the hot pan, so pull them at 10 minutes unless you want hockey pucks!

My favorite hack? The dough balls freeze beautifully! Scoop them onto parchment, freeze solid, then toss in a bag. Bake straight from frozen, adding just an extra minute to the timer. Perfect for when cookie emergencies strike during your favorite show’s commercial breaks. Oh, and if your first batch spreads too much? No sweat – just chill the dough for 20 minutes before baking. Works like a charm every time.

Storage and Freezing Instructions

Let’s talk about keeping these little peanut butter treasures at their best! Freshly baked cookies disappear fast in my house, but when they miraculously last, here’s how I store them: pop them in an airtight container at room temperature with a slice of white bread (sounds weird, I know). The bread keeps them soft for up to 3 days – just toss the now-stale bread when you’re ready for another cookie. For longer storage, these babies freeze like champs!

You’ve got two great options for freezing. Either stack cooled baked cookies between parchment in a freezer bag (they’ll keep for 3 months), or freeze the unbaked dough balls on a tray before transferring to a bag. Here’s my mealtime magic trick: bake frozen dough balls straight from the freezer at 350°F, adding just 1 extra minute to the timer. Thaw baked cookies at room temp for 30 minutes – though I won’t judge if you eat one frozen! Perfect for meal planning or sneaky midnight snacks.

Nutritional Information

Now, I’m no dietitian, but here’s the scoop on these peanut butter cookies – they’re treats, not health food, but oh so worth it! These numbers are estimates based on my standard ingredients (natural peanut butter and white sugar), so your mileage may vary. Per cookie you’re looking at:

  • 120 calories – perfect for a little indulgence
  • 10g sugar – most from the peanut butter’s natural sweetness
  • 7g fat – the good kind from peanuts
  • 4g protein – more than your average cookie!

Remember, these are approximate – your exact nutrition will depend on your specific brand of peanut butter and whether you use white or brown sugar. Better to enjoy one (or three) and just smile!

Frequently Asked Questions

Oh, the questions I’ve gotten about these magical little cookies over the years! Here are the ones that pop up most often (along with my tried-and-true answers):

Can I use almond butter instead of peanut butter?

Absolutely! Almond butter works great – the texture might be slightly different, but still delicious. Sunflower seed butter is a fantastic nut-free option too. Just know that alternative butters sometimes need an extra tablespoon of sugar since they’re less sweet than peanut butter.

How do I make these cookies vegan?

Easy peasy! Swap the egg for a flax egg (1 tbsp ground flax + 3 tbsp water, let sit 5 minutes). The texture will be a tad more delicate, but the taste is just as amazing. A ripe mashed banana also works in a pinch!

Why did my cookies spread too much?

Ah, the classic cookie conundrum! Usually it’s because: 1) Your peanut butter was too warm (try chilling dough 15 minutes), 2) You used regular PB instead of natural, or 3) Your baking sheet was still hot from the last batch. Simple fixes for next time!

Can I add chocolate chips?

Oh honey, absolutely – toss in ½ cup! They may spread a bit more, but who cares when you’ve got chocolate? My kids love when I press a chocolate kiss into the center right after baking – instant peanut butter cups!

Share Your 3-Ingredient Peanut Butter Cookies

I’d love to see your peanut butter cookie creations! Snap a photo of those crisscrossed beauties and tag me on Instagram—nothing makes me happier than seeing your kitchen wins. And hey, if you’ve added your own twist (chocolate chips? sea salt? cinnamon?), drop a comment below so we can all get inspired together. Happy baking, friends!

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3-Ingredient Peanut Butter Cookies

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Quick flourless cookies made with peanut butter, sugar, and egg. Perfect for small-batch baking and gluten-friendly diets.

  • Author: Carla Davis
  • Prep Time: 5 min
  • Cook Time: 12 min
  • Total Time: 17 min
  • Yield: 12 cookies 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free

Ingredients

Scale
  • 1 cup peanut butter
  • 1 cup sugar
  • 1 egg

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. Mix peanut butter, sugar, and egg in a bowl until smooth.
  3. Roll dough into small balls and place on a baking sheet.
  4. Flatten each ball with a fork in a crisscross pattern.
  5. Bake for 10-12 minutes until edges are golden.
  6. Let cool before serving.

Notes

  • Use natural peanut butter for best texture.
  • Store in an airtight container for up to 3 days.

Nutrition

  • Serving Size: 1 cookie
  • Calories: 120
  • Sugar: 10g
  • Sodium: 50mg
  • Fat: 7g
  • Saturated Fat: 1.5g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 12g
  • Fiber: 1g
  • Protein: 4g
  • Cholesterol: 15mg

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Hi, I'm Carla Davis! As a lifelong home cook and busy mom, I believe that making delicious food for the people you love shouldn't be complicated. Here at Carla's Cooking, I share simple, reliable, and family-approved recipes that I make in my own kitchen. My goal is to help you feel confident and joyful when you cook. Welcome!

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