If you adore the rich decadence of brownies but also crave the comforting creaminess of peanut butter, you are going to fall head over heels for this Swirled Brownie Cookies with a Peanut Butter Twist Recipe. This delightful treat combines two beloved flavors in one bite-sized cookie, offering gooey chocolate fudge notes beautifully marbled with luscious, velvety peanut butter swirls. Whether you’re baking for a cozy night in or bringing a crowd-pleaser to a gathering, these cookies deliver indulgence in a playful, portable package that’s impossible to resist.

Ingredients You’ll Need
Gathering these simple yet essential ingredients sets the stage for irresistible Swirled Brownie Cookies with a Peanut Butter Twist Recipe. Each item is carefully chosen to create the perfect harmony of rich chocolate and smooth peanut butter textures and flavors.
- Unsalted butter, ½ cup: Adds creamy richness and helps achieve that fudgy brownie texture you love.
- Semi-sweet chocolate, 8 oz (chopped or chips): The heart of the brownie base, providing deep chocolate flavor and lusciousness.
- Granulated sugar, ¾ cup: Balances bitterness and gives a tender crumb.
- Brown sugar, ¼ cup: Infuses a subtle molasses note for warmth and adds chewiness.
- Large eggs, 2: Bind all the components together while adding moisture and richness.
- Vanilla extract, 1 teaspoon: Elevates the overall flavor and rounds out the sweetness.
- All-purpose flour, ½ cup: Provides structure without weighing down the fudgy consistency.
- Unsweetened cocoa powder, 2 tablespoons: Deepens the chocolate punch and enhances color.
- Baking powder, ¼ teaspoon: Just enough to lend a slight lift for softness without fluffiness.
- Salt, ¼ teaspoon: Accentuates the chocolate and peanut butter harmony.
- Creamy peanut butter, ½ cup: The star twist swirling through the cookie, bringing smooth richness and unforgettable flavor.
How to Make Swirled Brownie Cookies with a Peanut Butter Twist Recipe
Step 1: Prepare Your Oven and Chocolate Mixture
Start by preheating your oven to 350°F (175°C) and lining a baking sheet with parchment paper for easy cleanup. Next, gently melt the unsalted butter and semi-sweet chocolate together using a microwave or double boiler, stirring until perfectly smooth. This glossy mixture forms the decadent chocolatey base of your cookies and sets the tone for that fudgy texture we’re aiming for.
Step 2: Whisk Sugars and Eggs Until Fluffy
In a large bowl, whisk the granulated sugar, brown sugar, and eggs together until they become light and fluffy — about one to two minutes. This step traps air into the mixture, giving your cookies a tender lift while keeping that satisfying chewiness intact.
Step 3: Combine Flavorful Ingredients
Mix in the vanilla extract and the slightly cooled melted chocolate and butter blend into the sugar and egg mixture. The gradual incorporation ensures an evenly flavored dough that’s deeply chocolatey and rich.
Step 4: Incorporate Dry Ingredients
Sift together the all-purpose flour, cocoa powder, baking powder, and salt to avoid lumps and gently fold them into the wet ingredients until just combined. Avoid overmixing here to keep your brownie cookies fudgy and soft rather than cakey or tough.
Step 5: Prepare the Peanut Butter Swirl
Warm the creamy peanut butter slightly in a microwave-safe bowl for 20-30 seconds until it’s soft and easily stirrable. This step is crucial so that the peanut butter can swirl effortlessly into the dough later, creating those irresistible peanut butter pockets.
Step 6: Shape and Swirl the Cookies
Drop rounded tablespoons of cookie dough onto the prepared baking sheet, spacing them about 2 inches apart to allow room for spreading. Then spoon approximately half a teaspoon of the warmed peanut butter onto the center of each mound. Using a toothpick or the tip of a knife, gently swirl the peanut butter into the top layer of each cookie, creating beautiful marbled patterns.
Step 7: Bake and Cool
Bake your cookies for 10 to 12 minutes until the edges are just set but the centers retain a soft, fudgy texture. Once baked, let them cool on the sheet for five minutes before transferring to a wire rack to cool completely. This ensures they firm up slightly but stay wonderfully chewy and rich.
How to Serve Swirled Brownie Cookies with a Peanut Butter Twist Recipe

Garnishes
For an extra touch of beauty and flavor, consider a light dusting of powdered sugar or a drizzle of melted dark chocolate over your cookies. Chopped roasted peanuts sprinkled on top can add a delightful crunch that contrasts with the smooth peanut butter swirls.
Side Dishes
These cookies shine next to a chilled glass of milk or a steaming cup of coffee or tea. For a more indulgent experience, serve them alongside vanilla ice cream or frothy hot chocolate to complement the rich chocolate and nutty notes.
Creative Ways to Present
Try stacking these cookies on a rustic wooden board for a charming dessert spread or arrange them neatly in individual paper liners for gift-giving. For a crowd-pleasing treat, serve them as part of a dessert buffet paired with other nutty and chocolatey delights.
Make Ahead and Storage
Storing Leftovers
Once cooled, store these Swirled Brownie Cookies with a Peanut Butter Twist Recipe in an airtight container at room temperature. They’ll stay fresh and delightful for up to five days, making them perfect for prepping ahead or enjoying throughout the week.
Freezing
You can freeze these cookies to extend their shelf life by placing them in a single layer on a baking sheet to freeze initially, then transferring to a freezer-safe container or bag. When properly stored, they remain delicious for up to three months.
Reheating
Reheat frozen or day-old cookies briefly in the microwave for about 10 to 15 seconds to gently warm the peanut butter swirl and refresh their fudgy softness. Alternatively, a few minutes in a low-temperature oven works beautifully to revive their freshly baked texture.
FAQs
Can I use crunchy peanut butter instead of creamy?
Absolutely! Using crunchy peanut butter will add a lovely textural contrast with little peanut bits throughout the cookies, making each bite even more exciting while keeping the same nutty flavor.
Is it possible to substitute the semi-sweet chocolate?
Yes, dark chocolate works wonderfully if you prefer a richer, less sweet taste. Just keep the quantity the same, and you’ll achieve a slightly more intense chocolate experience.
Do I have to swirl the peanut butter, or can I mix it into the dough?
Swirling peanut butter on top creates beautiful pockets of flavor and an attractive marbled look. Mixing it into the dough will give a uniform peanut butter taste but lose the delightful swirl texture.
How do I prevent the cookies from spreading too much?
Ensure your butter and chocolate mixture has cooled before combining with other ingredients. Also, keeping the dough slightly chilled before baking helps the cookies hold their shape better.
Are these cookies suitable for vegetarians?
Yes, this Swirled Brownie Cookies with a Peanut Butter Twist Recipe is vegetarian-friendly, containing no meat or animal-based gelatin, making it a tasty option for vegetarians.
Final Thoughts
There is something truly magical about these Swirled Brownie Cookies with a Peanut Butter Twist Recipe. They effortlessly blend the fudgy decadence of brownies with a creamy peanut butter swirl, resulting in a bite that’s bursting with texture and flavor. Whether you’re baking them for yourself or to share with loved ones, these cookies are guaranteed to become a beloved classic in your recipe collection. So grab your ingredients and dive into this joyful baking experience—you won’t regret a single bite!
Print
Swirled Brownie Cookies with a Peanut Butter Twist Recipe
- Prep Time: 15 minutes
- Cook Time: 12 minutes
- Total Time: 27 minutes
- Yield: 18 cookies
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
These Swirled Brownie Cookies with a Peanut Butter Twist combine the fudgy texture of brownies with the convenience of cookies. Soft, rich chocolate cookies are enhanced with a creamy peanut butter swirl, making them a delightful treat perfect for dessert or snack time.
Ingredients
Brownie Cookie Dough
- ½ cup unsalted butter
- 8 oz semi-sweet chocolate (chopped or chips)
- ¾ cup granulated sugar
- ¼ cup brown sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- ½ cup all-purpose flour
- 2 tablespoons unsweetened cocoa powder
- ¼ teaspoon baking powder
- ¼ teaspoon salt
Peanut Butter Swirl
- ½ cup creamy peanut butter
Instructions
- Preheat and Prepare Baking Sheet: Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper to prevent sticking and ensure even baking.
- Melt Butter and Chocolate: In a heat-safe bowl, gently melt the unsalted butter and semi-sweet chocolate together using either a microwave in short bursts or a double boiler. Stir frequently until the mixture is smooth, then let it cool slightly.
- Mix Sugars and Eggs: In a large bowl, whisk together the granulated sugar, brown sugar, and eggs until the mixture becomes light and fluffy, approximately 1 to 2 minutes. This step incorporates air, giving the cookies a nice texture.
- Add Vanilla and Chocolate Mixture: Stir in the vanilla extract and the cooled melted chocolate mixture until well combined, creating a rich, chocolatey batter.
- Incorporate Dry Ingredients: Sift together the all-purpose flour, cocoa powder, baking powder, and salt into the wet mixture. Mix gently until just combined to avoid overmixing and tough cookies.
- Warm Peanut Butter: In a small microwave-safe bowl, warm the creamy peanut butter for 20–30 seconds until soft and easily stirrable, making it easier to swirl into the cookie dough.
- Shape Cookies and Add Peanut Butter: Drop rounded tablespoons of cookie dough onto the prepared baking sheet spaced about 2 inches apart. Spoon about ½ teaspoon of the warmed peanut butter onto the center of each dough mound. Use a toothpick or knife to gently swirl the peanut butter into the top of the cookie, creating a marbled effect.
- Bake: Bake the cookies in the preheated oven for 10–12 minutes. They should be set around the edges but remain soft in the center for the perfect fudgy texture.
- Cool: Allow the cookies to cool on the baking sheet for 5 minutes to set further, then transfer them to a wire rack to cool completely.
Notes
- For a richer chocolate flavor, substitute semi-sweet chocolate with dark chocolate.
- Use crunchy peanut butter instead of creamy for added texture and crunch.
- Store the cookies in an airtight container at room temperature for up to 5 days to keep them fresh.

