These Peanut Butter Brownie Swirl Cookies bring together the best of both worlds: the chewy decadence of brownies and the creamy richness of peanut butter cookies. Each bite delivers a soft, fudgy texture with a stunning swirl pattern that looks as good as it tastes.
Perfect for bake sales, holidays, or whenever your sweet tooth needs something extra special, these cookies are guaranteed to become your new go-to dessert.
Why You’ll Love This Recipe
- Combines brownies and peanut butter cookies in one
- Rich, chocolatey, and melt-in-your-mouth soft
- Gorgeous marbled swirl for that bakery-style look
- Easy to make with simple ingredients
- Great for gifting, parties, or weekend baking
Recipe Overview
Prep Time: 20 minutes
Cook Time: 10–12 minutes
Total Time: 35 minutes
Servings: 20 cookies

Ingredients
For the Brownie Dough:
- ½ cup unsalted butter, melted
- ¾ cup granulated sugar
- ¼ cup brown sugar
- 1 egg
- 1 tsp vanilla extract
- ⅓ cup unsweetened cocoa powder
- 1 cup all-purpose flour
- ½ tsp baking soda
- Pinch of salt
For the Peanut Butter Dough:
- ½ cup creamy peanut butter
- ¼ cup unsalted butter, softened
- ½ cup brown sugar
- ¼ cup granulated sugar
- 1 egg
- 1 tsp vanilla extract
- 1 ¼ cups all-purpose flour
- ½ tsp baking soda
- Pinch of salt
Instructions
- Preheat Oven:
Set oven to 350°F (175°C). Line baking sheets with parchment paper. - Make Brownie Dough:
In a bowl, whisk melted butter, sugars, egg, and vanilla. Stir in cocoa powder, flour, baking soda, and salt until combined. Set aside. - Make Peanut Butter Dough:
In another bowl, beat together peanut butter, softened butter, and sugars until creamy. Add egg and vanilla. Mix in flour, baking soda, and salt until a soft dough forms. - Create the Swirls:
Scoop 1 tablespoon of each dough. Roll together gently into a ball to create a swirl pattern — don’t overmix! - Bake:
Place on prepared baking sheets and bake for 10–12 minutes, until edges are set but centers are soft. - Cool:
Let cookies cool on the pan for 5 minutes before transferring to a wire rack. Enjoy warm or at room temperature.

Tips & FAQs
Can I add chocolate chips?
Absolutely! Add ½ cup chocolate or peanut butter chips for an extra indulgent twist.
Can I freeze the dough?
Yes — freeze dough balls for up to 2 months. Bake straight from frozen, adding 1–2 minutes to baking time.
How do I store these cookies?
Keep in an airtight container at room temperature for up to 5 days or refrigerate for longer freshness.

Nutrition Summary
| Serving Size | Calories | Protein | Carbs | Fat | Sugar | Fiber |
|---|---|---|---|---|---|---|
| 1 cookie | 190 | 4g | 22g | 10g | 12g | 1g |
Disclaimer: Nutrition values are estimates and may vary based on ingredients used.