If you’re a fan of chocolatey brownies and creamy peanut butter, these Peanut Butter Brownie Swirl Cookies are the ultimate dessert mashup.
Soft, fudgy, and perfectly swirled, they’re a decadent treat that’s easy to make and sure to impress family, friends, or anyone with a sweet tooth.
Why You’ll Love These Cookies
✔ Soft, fudgy, and chewy
✔ Perfect peanut butter & chocolate combo
✔ Easy to make in one bowl
✔ Great for parties, snacks, or gifting
✔ Freezer-friendly
These cookies combine the best of brownies and peanut butter cookies into one indulgent bite.
Ingredients You’ll Need
For the Brownie Swirl:
- 1/2 cup unsalted butter, melted
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/3 cup cocoa powder
- 1/2 cup all-purpose flour
- 1/4 teaspoon salt
For the Peanut Butter Swirl:
- 1/2 cup creamy peanut butter
- 2 tablespoons powdered sugar (optional, for sweetness)
- 1 teaspoon vanilla extract
How to Make Peanut Butter Brownie Swirl Cookies
Step 1: Preheat & Prepare
Preheat oven to 350°F (175°C).
Line a baking sheet with parchment paper.
Step 2: Make the Brownie Batter
In a bowl, mix melted butter and sugar until smooth.
Add eggs and vanilla extract, mixing well.
Sift in cocoa powder, flour, and salt. Stir until combined.
Step 3: Prepare the Peanut Butter Swirl
In a separate small bowl, mix peanut butter, powdered sugar, and vanilla extract until smooth.
Step 4: Create the Swirl
Drop spoonfuls of brownie batter onto the prepared baking sheet.
Top each with a dollop of peanut butter mixture.
Use a toothpick or skewer to gently swirl the two together.
Step 5: Bake
Bake for 10–12 minutes or until cookies are set but still soft in the center.
Cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.
Tips for the Best Cookies
- Don’t overmix the batter — keep them fudgy.
- Swirl gently to preserve distinct layers.
- Use creamy peanut butter for smooth swirls.
- Slightly underbake if you want extra gooey centers.
Easy Variations
1. Peanut Butter Chocolate Chip Swirl
Add mini chocolate chips on top before baking.
2. Salted Peanut Butter Swirl
Sprinkle a tiny pinch of flaky sea salt on each cookie after swirling.
3. Nutty Twist
Fold in chopped peanuts for extra crunch.
4. White Chocolate Swirl
Use white chocolate instead of peanut butter for a different flavor profile.
Storage & Freezing
- Store in an airtight container at room temperature for up to 5 days.
- Freeze baked cookies for up to 2 months.
- Freeze dough balls and bake fresh for warm cookies anytime.
Frequently Asked Questions
Can I use natural peanut butter?
Yes, but reduce added sugar slightly as natural peanut butter is less sweet.
Can I make these gluten-free?
Yes! Substitute all-purpose flour with a 1:1 gluten-free flour blend.
Can I make mini cookies?
Absolutely! Reduce baking time to 8–10 minutes for smaller cookies.
Final Thoughts
These Peanut Butter Brownie Swirl Cookies are fudgy, rich, and perfectly balanced between chocolate and peanut butter.
Whether for a cozy night in, a party dessert, or a homemade gift, these cookies are sure to impress. Once you try them, they’ll become a repeat favorite in your baking rotation.