If you’re searching for the ultimate quick-fix treat, these 3 Ingredient Sugar Free Peanut Butter Cookies are about to become your new favorite snack. Imagine that classic, melt-in-your-mouth peanut butter goodness, reimagined without any added sugar — and with just three pantry staples. This recipe is my go-to for last-minute cravings, easy bake sales, or simply sharing a cozy moment with a cup of coffee. Soft, golden, and bursting with nutty aroma, these cookies are living proof that simple doesn’t mean boring. Whether you’re sugar-conscious, keto, or just in need of a fuss-free dessert, you’ll adore these cookies as much as I do.

3 Ingredient Sugar Free Peanut Butter Cookies Recipe - Recipe Image

Ingredients You’ll Need

When it comes to the magic of 3 Ingredient Sugar Free Peanut Butter Cookies, every ingredient truly matters. With so few components, each one brings its A-game to give you that delightful bite — rich, just-sweet-enough, and satisfyingly chewy.

Peanut Butter: Go for creamy or crunchy! Creamy yields a smoother cookie, while crunchy adds bits of nutty texture to every bite.
Sugar Alternative: Pick a granulated sugar substitute that bakes well, like erythritol or monk fruit. This keeps your cookies sweet without any sugar crash.
Egg: The unsung hero that binds everything together and helps create that classic cookie texture.

How to Make 3 Ingredient Sugar Free Peanut Butter Cookies

Step 1: Prep Your Oven and Baking Sheet

Start by preheating your oven to 350 degrees F. Grab a baking sheet and line it with parchment paper for super easy cleanup. This way, your cookies won’t stick and the bottoms bake to a gentle golden brown.

Step 2: Mix Peanut Butter and Sugar Alternative

In a large mixing bowl, cream together the peanut butter and your chosen sugar alternative. You’re looking for a light, fluffy texture — this two-ingredient blend is the foundation for all that delicious cookie flavor.

Step 3: Add the Egg

Crack in your egg and mix until the dough is evenly blended. The egg is key for helping the cookies hold together and bake up beautifully.

Step 4: Scoop and Shape the Dough

Using a cookie scoop or a tablespoon, scoop out portions of dough and place them onto your prepared baking sheet, about two inches apart. Gently flatten each mound to about half its height — you can use your palm or the back of a spoon.

Step 5: Create the Classic Crisscross

Take a fork, dip it in a little water, and press it into the top of each cookie to make the traditional crisscross pattern. This signature peanut butter cookie look is nostalgic and instantly recognizable!

Step 6: Bake and Cool

Bake for 7 to 10 minutes, just until the edges are lightly golden. Let the cookies sit on the sheet for a couple of minutes before transferring them to a rack — this gives them time to set up perfectly soft and chewy.

How to Serve 3 Ingredient Sugar Free Peanut Butter Cookies

Garnishes

While these cookies are scrumptious just as they are, you can dress them up with a tiny sprinkle of flaky sea salt, a dusting of cinnamon, or even a single roasted peanut on top before baking for a simple decorative flare.

Side Dishes

Nothing goes better with warm, fresh-out-of-the-oven peanut butter cookies than a tall glass of milk (dairy or plant-based!). They also pair beautifully with coffee or hot tea for a cozy, satisfying snack.

Creative Ways to Present

Try stacking your 3 Ingredient Sugar Free Peanut Butter Cookies in a mason jar for a homemade gift, popping a few into a lunchbox as a happy surprise, or serving them alongside a light fruit salad for a balanced dessert tray.

Make Ahead and Storage

Storing Leftovers

Keep your leftover cookies in an airtight container at room temperature for up to 5 days. The cookies will stay soft and chewy, ready for snacking whenever you need a little pick-me-up.

Freezing

Yes, these cookies freeze beautifully! Lay them in a single layer on a baking sheet, freeze until firm, then transfer to a freezer-safe bag. They’ll stay fresh for up to 3 months — just thaw at room temperature whenever the craving hits.

Reheating

If you love a warm cookie, pop one in the microwave for about 10 seconds. It’ll taste like it came fresh from the oven and might even tempt you to make another batch!

FAQs

Can I use any peanut butter for this recipe?

Absolutely! Both creamy and chunky peanut butter work well. Just make sure to stir natural peanut butter well if the oil separates, as it can affect the dough’s texture.

Which sugar alternative is best for baking these cookies?

Look for a granulated sugar substitute that’s designed for baking, such as erythritol or monk fruit blends. Powdered alternatives may make the dough too dense, so stick with those that mimic real sugar’s texture.

Can I make these cookies vegan?

Yes! Replace the egg with a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water) for a vegan version of these 3 Ingredient Sugar Free Peanut Butter Cookies.

Do these cookies spread while baking?

They do flatten out a bit, but not much. That’s why flattening and adding the crisscross pattern before baking is important for their classic look and even baking.

Can I add mix-ins to this recipe?

Definitely! Toss in a handful of sugar free chocolate chips or a pinch of cinnamon for a fun twist, though then they’re technically not just 3 ingredients anymore! It’s a great way to personalize your cookies.

Final Thoughts

I can’t wait for you to whip up a batch of these 3 Ingredient Sugar Free Peanut Butter Cookies and share them with your loved ones. Their simplicity and satisfying flavor make them a winner every time, whether for a weeknight treat or a special gathering. Give them a try, and let the smiles begin!