Gooey Sweettooth Marshmallow Brownie Delight Recipe

Irresistible Sweettooth Marshmallow Brownie Recipe

Chocolate lovers can’t resist a good marshmallow brownie delight that melts in your mouth and sparks pure joy.

This decadent dessert combines rich, fudgy layers with gooey marshmallow goodness for an irresistible treat.

The recipe brings together classic brownie textures with a sweet twist that turns an ordinary dessert into something extraordinary.

Every bite promises a perfect balance of chocolatey richness and pillowy marshmallow softness.

Baking this crowd-pleaser requires minimal effort but delivers maximum satisfaction.

Simple ingredients and straightforward steps make this dessert accessible to bakers of all skill levels.

Get ready to indulge in a dessert that will become your new favorite indulgence.

Instructions to Bake the Sweettooth Marshmallow Brownie

  • Sweet Marshmallow Canvas

Warm up your kitchen and grab a baking pan. Choose between a cozy 9×9 or a larger 9×13 inch pan depending on how thick you want your dessert. Lightly coat the pan with cooking spray or line it with parchment paper.

  • Brownie Foundation

Open your favorite brownie mix and follow the package guidelines. Pour the rich, chocolatey batter into your prepared pan. Slide the pan into a preheated oven set at 350 degrees. Bake until the edges look set but the center remains slightly soft.

  • Marshmallow Magic

Once the brownies look almost done, pull them out of the oven. Sprinkle fluffy marshmallows across the surface, creating a cloud-like topping that covers every inch. Return the pan to the oven for a quick 3-minute dance, allowing the marshmallows to puff up and turn golden.

  • Decadent Chocolate Drizzle

While the brownies cool, whip up a creamy chocolate frosting. Blend softened butter with powdered sugar, cocoa powder, a splash of milk, and a hint of vanilla. Mix until the frosting becomes smooth and spreadable. Once the marshmallow layer has settled, dollop the frosting across the top and gently spread it into a delicious blanket.

Swaps for Chocolate, Marshmallows, or Add-Ins

  • Swap traditional marshmallows with flavored varieties like strawberry or caramel for a unique twist that adds unexpected sweetness to your brownies.
  • Mix dark chocolate chips or chopped chocolate pieces into the brownie batter to create deeper, richer chocolate layers that complement the marshmallow topping.
  • Sprinkle toasted nuts like chopped almonds or pecans over the marshmallow layer before adding frosting to introduce a delightful crunch and nutty dimension.
  • Try piping the chocolate frosting in decorative swirls instead of spreading it flat, or use a kitchen torch to slightly caramelize the marshmallow surface for an extra gourmet presentation.
  • These brownies can be refrigerated for up to 3 days in an airtight container, and they taste even more delicious when the flavors have had time to meld together overnight.

Serving Sweettooth Marshmallow Brownie Creatively

  • Decadent Dessert Plate Companion: Serve these rich brownies alongside a scoop of vanilla bean ice cream for a delightful temperature and flavor contrast.
  • Chocolate Lover's Dream Pairing: Complement the brownies with a steaming mug of hot cocoa or freshly brewed coffee to enhance the deep chocolate notes.
  • Fruity Freshness Accent: Garnish the plate with fresh raspberries or sliced strawberries to cut through the sweetness and add a bright, tangy element to the dessert experience.
  • Elegant Presentation Touch: Dust the top with a light sprinkle of powdered sugar or chocolate shavings to create a restaurant-worthy presentation that makes the brownies look even more tempting.

Tips for Cutting and Storing Brownie

  • Refrigerator Revival: Store these gooey brownies in an airtight container in the refrigerator for up to 5 days. The cool temperature helps maintain their soft texture and prevents marshmallow hardening.
  • Counter Comfort: Keep the brownies at room temperature for 1-2 days if you plan to enjoy them quickly. Cover with plastic wrap or place in a sealed container to keep them fresh and moist.
  • Freezer Friendly: Wrap individual brownie squares tightly in plastic wrap, then place in a freezer-safe bag. These delightful treats can stay frozen for up to 3 months. Thaw at room temperature for about 30 minutes before serving.
  • Smart Serving Tip: Cut brownies into squares before storing to make grab-and-go snacking easier. Use a sharp knife and wipe it clean between cuts for neat, picture-perfect slices.

Quick Recipe Overview

Prep Time: 10 minutes

Cook Time: 33 minutes

Total Time: 43 minutes

Calories: 260 kcal

Servings: 13

Sweettooth Marshmallow Brownie:: Ingredient List

For Base Layer:
  • Boxed Brownie Mix: Provides the foundational chocolatey goodness with minimal effort and guaranteed deliciousness.
  • Non-Stick Spray or Parchment Paper: Ensures easy removal and prevents sticking, keeping your brownies perfectly intact.
For Topping Layer:
  • Marshmallows: Adds gooey, pillowy sweetness that melts beautifully and creates a dreamy texture contrast.
For Frosting Creation:
  • Unsalted Butter: Delivers rich, creamy base that helps bind frosting ingredients smoothly.
  • Powdered Sugar: Creates silky, cloud-like consistency and adds balanced sweetness.
  • Cocoa Powder: Intensifies chocolate flavor and provides deep, dark undertones.
  • Milk: Helps achieve perfect frosting spreadability and softens overall texture.
  • Vanilla Extract: Enhances and rounds out chocolate flavor with warm, aromatic notes.

Tools You’ll Need to Make Marshmallow Brownie

  • 9×9: Essential for baking brownies, choose based on desired thickness.
  • Parchment paper or non-stick spray: Prevents brownies from sticking to the pan.
  • Electric beaters: Perfect for mixing frosting until smooth and creamy.
  • Large mixing bowl: Needed for preparing frosting ingredients.
  • Measuring cups and spoons: Ensures accurate ingredient measurements.
  • Spatula: Helps spread frosting evenly over marshmallow layer.
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Gooey Sweettooth Marshmallow Brownie Delight Recipe

Gooey Sweettooth Marshmallow Brownie Delight Recipe


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4.8 from 25 reviews

  • Total Time: 43 minutes
  • Yield: 13 1x

Description

Homemade sweettooth marshmallow brownie delight blends rich chocolate with pillowy marshmallow layers. Dense chocolate base and gooey topping create perfect dessert harmony for serious chocolate enthusiasts.


Ingredients

Scale
  • 1 box (18 oz or 510 g) brownie mix
  • 2 cups mini marshmallows
  • Eggs (as specified on box)
  • Water (as specified on box)
  • Vegetable oil (as specified on box)
  • ¼ cup (56 g or 4 tbsps) salted butter, softened
  • 1 ½ cups powdered sugar
  • 2 tbsps unsweetened cocoa powder
  • 2 tbsps milk
  • ½ tsp vanilla extract

Instructions

  1. Preheating: Position the oven rack centrally and warm to 350ºF, creating an ideal baking environment for rich chocolate treats.
  2. Pan Preparation: Select either a 9×9″ or 9×13″ pan, generously coating with non-stick spray or lining with parchment paper to ensure effortless removal.
  3. Batter Creation: Combine brownie mix according to package guidance, whisking until a velvety, uniform chocolate mixture emerges with no lingering dry pockets.
  4. Initial Baking: Transfer the batter into the prepared pan, smoothing the surface carefully, then bake for approximately 30 minutes until the chocolate base reaches a moist, fudgy consistency.
  5. Marshmallow Transformation: Extract the partially baked brownies and liberally distribute marshmallows across the entire surface, ensuring complete coverage for a decadent layer of pillowy sweetness.
  6. Marshmallow Finish: Return to the oven for an additional 3 minutes, allowing marshmallows to puff and caramelize into a golden, tempting landscape.
  7. Frosting Fusion: While brownies cool, craft the chocolate frosting by blending butter, powdered sugar, cocoa powder, milk, and vanilla using electric beaters until achieving a silky, glossy texture.
  8. Final Assembly: Once brownies have completely cooled, strategically spread the luxurious frosting over the marshmallow layer, creating an indulgent, smooth topping that promises pure chocolate ecstasy.

Notes

  • Select the Right Pan Size: Choose between 9×9″ for thick, decadent brownies or 9×13″ for thinner treats, matching your texture preference and crowd size.
  • Master Marshmallow Placement: Scatter marshmallows evenly and completely across the partially baked brownies to ensure perfect golden-brown coverage and gooey texture.
  • Prevent Overbaking: Watch brownies closely during baking, removing them when a toothpick comes out with a few moist crumbs to maintain that irresistible fudgy center.
  • Frosting Consistency Tip: Adjust frosting thickness by adding small amounts of milk or powdered sugar until you achieve a smooth, spreadable consistency that glides effortlessly over the marshmallow layer.
  • Prep Time: 10 minutes
  • Cook Time: 33 minutes
  • Category: Desserts
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 13
  • Calories: 260
  • Sugar: 20 g
  • Sodium: 200 mg
  • Fat: 10 g
  • Saturated Fat: 4 g
  • Unsaturated Fat: 6 g
  • Trans Fat: 0 g
  • Carbohydrates: 38 g
  • Fiber: 1 g
  • Protein: 2 g
  • Cholesterol: 25 mg
Mia Reynolds

Mia Reynolds

Food Writer & Home Cooking Specialist

Expertise

Easy Home Baking, Recipe Writing and Storytelling, Local and Seasonal Ingredients, Baking for Beginners

Education

New England Culinary Institute (NECI), Montpelier, Vermont

  • Certificate: Baking and Pastry Arts Certificate
  • Focus: Hands-on baking skills, pastry basics, and creating delicious, approachable baked goods.

Community College of Vermont, Winooski, Vermont

  • Degree: Certificate in Food and Beverage Management
  • Focus: Essential knowledge of recipe development, ingredient sourcing, and food business basics.

Mia Reynolds fell in love with baking as a teenager experimenting in her family kitchen. Her passion took her to New England Culinary Institute, where she learned practical pastry techniques, and later to Community College of Vermont to deepen her understanding of food management.

Mia combines clear, simple baking instructions with heartwarming stories, making home baking approachable for everyone.

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