Fudgy Peanut Butter Swirl Brownies Recipe

Dreamy Peanut Butter Swirl Brownies Recipe for Chocoholics

Chocolate and peanut butter swirl brownies dance together in a decadent dessert that promises pure indulgence.

These rich, fudgy brownies blend two beloved flavors into one irresistible treat.

The marbled peanut butter swirl adds a creamy, nutty dimension that elevates every single bite.

Swirls of golden peanut butter weave through deep chocolate layers, creating a visual and taste sensation.

Each square promises a perfect balance of intense chocolate and smooth peanut butter.

Bakers of all skill levels can master this simple yet stunning dessert that’s sure to impress.

Grab your mixing bowl and get ready to create a dessert that will have everyone asking for seconds.

Tools to Bake Swirled Peanut Butter Brownies

  • 8×8 inch square baking pan: essential for perfect brownie size and shape.
  • Parchment paper: helps remove brownies easily and prevents sticking.
  • Microwave-safe bowl: perfect for melting chocolate and butter smoothly.
  • Whisk: crucial for creating creamy egg and sugar mixture.
  • Sifter: ensures dry ingredients are lump-free and well combined.
  • Mixing bowls: needed for separating and mixing different ingredients.
  • Toothpick: great for creating beautiful swirl patterns on top.
  • Measuring cups and spoons: precise measurements are key to delicious brownies.
  • Piping bag or ziplock bag: helps create elegant peanut butter swirls.

Step-by-Step Instructions for Gooey Brownies

  • Oven Preparation Kitchen Space

Warm your oven to a cozy temperature and grab an 8×8 square baking pan. Line the pan with parchment paper, creating a smooth surface for your delicious creation.

  • Chocolate Melting Magic

Gently melt chocolate and butter together in short microwave bursts, stirring until silky smooth. Let the mixture cool down and rest while you continue baking.

  • Peanut Butter Dream

Whip together peanut butter with a touch of melted butter and a sprinkle of powdered sugar. This will become your beautiful swirl topping.

  • Brownie Base Blend

Crack eggs into a bowl and whisk with sugars until they transform into a light, creamy mixture. Fold in vanilla, extra peanut butter, and your cooled chocolate blend. Softly stir in dry ingredients until just combined.

  • Swirl and Bake

Pour brownie batter into your prepared pan. Drizzle peanut butter mixture across the top in elegant swirls. Use a toothpick to create mesmerizing patterns. Slide into the warm oven and bake until perfectly set.

  • Cooling Moment

Allow your brownies to cool completely in the pan, letting flavors meld and texture settle into delicious perfection.

Tricks for Perfect Swirls and Moist Texture

  • Personalize this classic treat with creative twists and expert techniques.
  • Experiment with almond, cashew, or sunflower seed butter for unique flavor profiles that complement the rich chocolate base.
  • Use a thin skewer or chopstick to create intricate marble patterns, gently dragging through the peanut butter and chocolate layers for stunning visual appeal.
  • Wrap unbaked brownies tightly in plastic wrap and refrigerate for up to 24 hours, allowing flavors to meld and intensify before baking.
  • For ultra-fudgy brownies, slightly underbake by 2-3 minutes and let cool completely in the pan, which helps achieve a decadent, moist center that melts in your mouth.

Serving Peanut Butter Brownies With a Twist

  • Serve Alongside Cool Treats: Pair these decadent brownies with a scoop of vanilla ice cream or a dollop of whipped cream for an extra indulgent dessert experience.
  • Create a Dessert Platter: Arrange brownies on a beautiful serving plate with fresh berries, chocolate shavings, or a light dusting of powdered sugar to elevate the presentation.
  • Enjoy with Beverages: Complement the rich chocolate and peanut butter flavors with a cold glass of milk, a hot cup of coffee, or a creamy hot chocolate for a delightful taste combination.
  • Package as Gifts: Wrap individual brownies in parchment paper and tie with a rustic ribbon for a homemade treat perfect for sharing with friends and family.

Storage Advice for These Rich Brownies

  • Refrigerate Wisely: Store brownies in an airtight container in the refrigerator for up to 5 days, keeping them fresh and moist. Wrap each layer with parchment paper to prevent sticking.
  • Freeze for Later: Carefully wrap individual brownies in plastic wrap, then place in a freezer-safe container. Freeze up to 3 months for a quick chocolate treat anytime you crave something sweet.
  • Room Temperature Tips: Let brownies sit at room temperature for 15-20 minutes before serving to enhance their rich, fudgy texture and bring out the deep chocolate and peanut butter flavors.
  • Make-Ahead Magic: Prepare the brownie batter a day in advance and refrigerate overnight. Bring to room temperature before baking for consistent, delicious results every time.

Quick Recipe Overview

Prep Time: 25 minutes

Cook Time: 25 minutes

Total Time: 50 minutes

Calories: 200 kcal

Servings: 17

Peanut Butter Swirl Brownies Ingredient Breakdown

For Chocolate Base:
  • Unsalted Butter: Adds rich, velvety texture and helps chocolate melt smoothly for a decadent brownie foundation.
  • Chocolate: Creates deep, intense cocoa flavor and provides luxurious moistness to the brownie.
For Peanut Butter Swirl:
  • Peanut Butter, Powdered Sugar, Melted Butter: Crafts a creamy, sweet-salty swirl that provides dreamy contrast to chocolate intensity.
For Dry Ingredients:
  • All-Purpose Flour: Ensures proper structure and tender crumb in the brownies.
  • Cocoa Powder: Amplifies chocolate depth and contributes to rich, dark color.
  • Salt: Enhances overall flavor complexity and balances sweetness.
For Binding and Flavor:
  • Eggs: Binds ingredients together and creates a smooth, cohesive texture.
  • Granulated Sugar, Brown Sugar: Provides sweetness and helps create a glossy, crackly top.
  • Vanilla Extract: Adds warm, aromatic undertone that complements chocolate and peanut butter.
Print
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Fudgy Peanut Butter Swirl Brownies Recipe

Fudgy Peanut Butter Swirl Brownies Recipe


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4.9 from 12 reviews

  • Total Time: 50 minutes
  • Yield: 17 1x

Description

Gooey peanut butter swirl brownies blend rich chocolate with creamy peanut butter in a delightful dessert. Chocolate lovers will savor each indulgent bite of this irresistible treat that promises pure satisfaction.


Ingredients

Scale
  • 4 oz (113 g) semisweet chocolate, chopped
  • 2 large eggs, room temperature
  • ¾ cup (150 g) granulated sugar
  • ¼ cup (50 g) brown sugar, light or dark, packed
  • ½ cup (120 ml) unsalted butter, divided
  • ¼ cup plus 2 tbsps (90 ml) peanut butter, room temperature, divided
  • ½ cup (60 g) flour
  • ¼ cup (25 g) Dutch process or natural cocoa powder
  • ½ tsp salt
  • 2 tbsps powdered sugar
  • 1 ½ tsps vanilla extract

Instructions

  1. Oven Preparation: Preheat oven to 350°F (175°C) and line an 8×8 inch square pan with parchment paper, ensuring complete coverage for easy removal.
  2. Chocolate Base Creation: Melt butter and chocolate together in microwave using short intervals, stirring between each burst until achieving a glossy, smooth consistency without lumps.
  3. Peanut Butter Swirl Development: Whisk peanut butter with melted butter and powdered sugar until achieving a silky, homogeneous mixture that will create decorative marbling.
  4. Batter Integration: Combine eggs and sugars, beating until the mixture transforms into a pale, voluminous cream, then gradually incorporate vanilla extract, remaining peanut butter, and melted chocolate mixture.
  5. Dry Ingredient Incorporation: Gently fold sifted flour, cocoa powder, and salt into the wet ingredients, mixing minimally to preserve a luxurious, tender brownie texture.
  6. Pan Arrangement: Pour batter into prepared pan, spreading evenly, then strategically pipe peanut butter mixture across the surface in elegant lines.
  7. Marbling Technique: Drag a toothpick through peanut butter swirls, creating intricate patterns that will provide visual and flavor complexity.
  8. Baking Process: Bake for 23-28 minutes, monitoring until a toothpick inserted emerges with minimal moist crumbs, indicating perfect fudgy consistency.
  9. Cooling and Setting: Allow brownies to rest in pan for approximately 2 hours, enabling complete cooling and optimal texture development before slicing.

Notes

  • Precision Matters: Use room temperature ingredients to ensure smooth mixing and consistent texture throughout the brownie batter.
  • Chocolate Melting Tip: Microwave chocolate and butter carefully to prevent burning, stirring frequently and using short intervals.
  • Swirl Technique: Create beautiful marbled patterns by gently dragging a toothpick through peanut butter swirls, avoiding overmixing.
  • Cooling Crucial: Allow brownies to cool completely for at least 2 hours to achieve the perfect fudgy consistency and clean cutting.
  • Prep Time: 25 minutes
  • Cook Time: 25 minutes
  • Category: Desserts, Snacks
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 17
  • Calories: 200
  • Sugar: 22 g
  • Sodium: 150 mg
  • Fat: 12 g
  • Saturated Fat: 5 g
  • Unsaturated Fat: 7 g
  • Trans Fat: 0 g
  • Carbohydrates: 24 g
  • Fiber: 1 g
  • Protein: 4 g
  • Cholesterol: 50 mg
Michael Rivera

Michael Rivera

Co-Founder & Culinary Instructor

Expertise

  • Classic French Cuisine
  • Artisanal Bread Baking
  • Plant-Based Culinary Innovation
  • Recipe & Menu Development
  • Interactive Online Instruction

Education

The French Culinary Institute (now part of the International Culinary Center)

  • Program: Classic Culinary Arts
  • Focus: An intensive curriculum rooted in classical French techniques, artisanal bread production, and contemporary culinary methods.

Michael Rivera is a seasoned chef and culinary instructor based in San Francisco, CA. Trained in Classic Culinary Arts at The French Culinary Institute, he refined his skills in Michelin-starred kitchens, mastering classic French techniques and artisanal bread baking. 

Passionate about making gourmet methods accessible, Michael co-founded thatsmyhome.com to share his expertise through interactive online lessons and innovative, plant-based recipes. He loves blending traditional techniques with modern ideas, encouraging home cooks to enjoy the art of cooking in a relaxed, fun environment.

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