3 Ingredient Peanut Butter Cookies (Soft, Chewy & Flourless)

If you’re looking for the easiest cookie recipe ever, these 3 ingredient peanut butter cookies are exactly what you need.

No flour.
No butter.
No complicated steps.

Just three simple ingredients you probably already have in your kitchen — and they’re ready in just 15 minutes.

Why You’ll Love These 3 Ingredient Peanut Butter Cookies

✔ Only 3 ingredients
✔ Naturally flourless
✔ Gluten-free
✔ No mixer required
✔ Ready in 15 minutes
✔ Perfect for beginners

These cookies are soft in the center, slightly crisp on the edges, and packed with rich peanut butter flavor.

Ingredients You’ll Need

To make these easy 3 ingredient peanut butter cookies, you only need:

• 1 cup creamy peanut butter

• ¾ cup granulated sugar

• 1 large egg

That’s it.

Step-by-Step Instructions

Step 1: Preheat the Oven

Preheat your oven to 350°F (175°C).
Line a baking sheet with parchment paper.

Step 2: Mix Ingredients

In a mixing bowl, combine:

• Peanut butter

• Sugar

• Egg

Stir until smooth and fully combined.

The dough will be thick and slightly sticky.

Step 3: Shape the Cookies

Roll the dough into 1-inch balls.

Place them on the prepared baking sheet about 2 inches apart.

Step 4: Create the Classic Fork Pattern

Using a fork, gently press down on each dough ball to flatten slightly.

Turn the fork and press again to create a crisscross pattern.

Step 5: Bake

Bake for 8–10 minutes.

The edges will be slightly golden but the centers may look soft — that’s perfect.

Step 6: Cool

Let the cookies cool on the baking sheet for 5 minutes before transferring to a rack.

They firm up as they cool.

Tips for Perfect 3 Ingredient Peanut Butter Cookies

Use Regular Peanut Butter

Natural peanut butter can be too oily. If using natural, stir very well before measuring.

Don’t Overbake

Overbaking makes them dry. Remove when edges are set but centers are soft.

Measure Properly

Level your sugar measurement for consistent texture.

Variations You Can Try

These 3 ingredient peanut butter cookies are easy to customize.

🍫 Add Chocolate Chips

Stir in ¼ cup chocolate chips for extra sweetness.

🍯 Brown Sugar Version

Replace white sugar with brown sugar for a softer, caramel-like flavor.

🧂 Sea Salt Topping

Sprinkle flaky sea salt on top before baking.

🥜 Crunchy Texture

Use crunchy peanut butter instead of creamy.

Are These Cookies Gluten Free?

Yes! Since this recipe contains no flour, these 3 ingredient peanut butter cookies are naturally gluten free.

Always check that your peanut butter is certified gluten free if needed.

Storage Instructions

Room Temperature:
Store in an airtight container for up to 5 days.

Refrigerator:
Store up to 1 week.

Freezer:
Freeze baked cookies for up to 3 months.

Nutritional Information (Approx Per Cookie)

• Calories: 120

• Protein: 4g

• Fat: 8g

• Carbohydrates: 9g

• Sugar: 7g

Common Mistakes to Avoid

❌ Using too much egg
❌ Overmixing the dough
❌ Overbaking
❌ Using very oily peanut butter without mixing

Keep it simple for best results.

Frequently Asked Questions (Schema Ready)

Why are my 3 ingredient peanut butter cookies crumbly?

They may be overbaked. Remove from oven when centers still look soft.

Can I use natural peanut butter?

Yes, but stir well to combine oils before measuring.

Can I make these without sugar?

You can try sugar substitutes, but texture may change.

How long do they last?

Up to 5 days at room temperature in airtight container.

Why This Recipe Is So Popular

People search daily for:

• Easy cookies

• 3 ingredient desserts

• Quick baking recipes

• Flourless cookies

This recipe answers all those needs.

It’s simple, affordable, and perfect for last-minute cravings.

Final Thoughts

These 3 ingredient peanut butter cookies prove that baking doesn’t have to be complicated.

With just peanut butter, sugar, and an egg, you can create soft, chewy cookies in minutes.

Simple ingredients. Big flavor. No stress.

Bake once — and you’ll make them again and again.

The Science Behind Baking 3 Ingredient Peanut Butter Cookies

Baking may seem simple, but even 3 ingredient peanut butter cookies rely on real food science principles.

Peanut butter contains natural fats and proteins that provide structure without flour. When combined with sugar and egg, a chemical reaction happens during baking.

Sugar caramelizes at high temperatures, creating that golden color and slightly crisp edges. Eggs provide binding and stability as proteins coagulate under heat.

If you’re interested in the science of baking reactions, King Arthur Baking explains how sugar and protein interact during baking:
https://www.kingarthurbaking.com/blog

Understanding this helps you control texture and consistency.

Why Flourless Cookies Still Work

Traditional cookies rely on flour for structure. However, in 3 ingredient peanut butter cookies, peanut butter replaces flour due to its protein and fat composition.

According to the USDA FoodData Central database, peanut butter contains both protein and fat, which help stabilize baked goods:
https://fdc.nal.usda.gov/

This is why these cookies hold together even without wheat flour.

Choosing Quality Ingredients Matters

Since this recipe only has three ingredients, quality becomes extremely important.

Using high-quality peanut butter improves flavor significantly. The Food Network explains how ingredient quality impacts simple recipes like cookies:
https://www.foodnetwork.com/

Look for peanut butter with minimal added oils or preservatives for best results.

Safe Baking Temperatures

The recommended baking temperature for these cookies is 350°F (175°C).

The USDA provides food safety guidance for egg-based baked goods here:
https://www.fsis.usda.gov/

Ensuring proper baking temperature guarantees safe consumption while maintaining soft texture.

Storage and Food Safety Tips

Proper storage extends freshness and prevents contamination.

The CDC recommends storing baked goods in airtight containers at room temperature for short-term use:
https://www.cdc.gov/foodsafety/

For longer storage:

• Refrigerate up to 1 week

• Freeze up to 3 months

Why Simple Recipes Perform Well in Search

Short ingredient recipes are trending because:

• Lower cost

• Minimal preparation

• Beginner-friendly

• Time-saving

According to Google Trends data, searches for “3 ingredient desserts” spike during holidays and weekends:
https://trends.google.com/

Simple baking recipes like 3 ingredient peanut butter cookies attract consistent search traffic year-round.

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