Gooey Marshmallow Brownies Fudgy Chocolate Dream
Marshmallow Brownies are more than just a dessert; they’re a hug in edible form, a comforting classic that consistently steals the show. Who can resist that irresistible combination of fudgy, rich chocolate and the soft, gooey sweetness of melted marshmallows? I certainly can’t! These Marshmallow Brownies aren’t just any brownies; they’re a textural masterpiece. Imagine biting into a perfectly dense, dark chocolate brownie, only to discover a molten lava of marshmallow peeking through, creating an utterly delightful contrast that keeps you coming back for more. It’s this magical interplay of textures and the sheer indulgence of the flavors that makes Marshmallow Brownies a beloved treat for all ages. Whether you’re looking to impress at a potluck or simply craving a truly decadent homemade dessert, this recipe for Marshmallow Brownies is your ticket to pure bliss.

Marshmallow Brownies
Get ready to experience a chocolate lover’s dream with these incredible Marshmallow Brownies. These aren’t your average brownies; they’re a decadent fusion of rich, fudgy chocolate and gooey, sweet marshmallow, creating a truly irresistible treat. The secret to their extraordinary texture and flavor lies in the perfect balance of ingredients and a couple of key techniques. Whether you’re a seasoned baker or just starting out, these brownies are surprisingly straightforward to make and are guaranteed to impress. Imagine biting into a moist, intensely chocolatey brownie with pockets of melted marshmallow, all topped with a beautiful, crackly crust. It’s pure bliss!
Ingredients:
- 2 cups White granulated sugar
- 3 Large eggs
- 1 Egg yolk
- 1/2 cup Unsalted butter (melted)
- 2 tsp Pure vanilla extract
- 1/2 cup Oil (canola or vegetable)
- 3/4 cup All-purpose flour
- 1 cup Unsweetened cocoa powder (Use dutch process cocoa powder for a richer, darker flavor and smoother texture)
- 1 1/2 TBSP Cornstarch
- 1/2 tsp Salt
- 1 cup Semi-sweet chocolate chips
- 1 cup Marshmallow creme
Cooking Instructions:
Let’s get baking! Follow these steps carefully, and you’ll be rewarded with some of the best brownies you’ve ever tasted.
Phase 1: Preparing the Brownie Batter
1. Preheat and Prepare Pan: Begin by preheating your oven to 350 degrees Fahrenheit (175 degrees Celsius). This ensures an even bake from the start. Next, prepare an 8×8 inch baking pan. You can either grease it thoroughly with butter or cooking spray, or, for easier removal and cleaner edges, line it with parchment paper, leaving an overhang on two sides. This overhang will act as handles, allowing you to lift the entire brownie slab out of the pan once it’s cooled.
2. Combine Wet Ingredients: In a large mixing bowl, whisk together the 2 cups of granulated sugar, 3 large eggs, and 1 egg yolk. Beat them vigorously until the mixture is pale yellow and slightly thickened. This step is important for developing the structure of your brownies and ensuring they aren’t too dense. Next, gradually whisk in the 1/2 cup of melted unsalted butter and the 1/2 cup of oil. The combination of butter and oil contributes to a wonderfully fudgy texture. Finally, stir in the 2 teaspoons of pure vanilla extract. Vanilla is a crucial flavor enhancer that complements the richness of the chocolate.
3. Incorporate Dry Ingredients: In a separate medium bowl, sift together the 3/4 cup of all-purpose flour, 1 cup of unsweetened cocoa powder (I highly recommend using Dutch-process cocoa powder for its deep, smooth chocolate flavor and rich color), 1 1/2 tablespoons of cornstarch, and 1/2 teaspoon of salt. Sifting these dry ingredients together ensures they are evenly distributed and helps prevent lumps in your batter. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Be careful not to overmix at this stage, as overmixing can lead to tough brownies. A few streaks of flour are perfectly fine.
4. Add Chocolate Chips: Gently fold in the 1 cup of semi-sweet chocolate chips. These will melt slightly during baking, creating delicious pockets of gooey chocolate throughout your brownies. Some chips will remain intact, offering delightful bursts of melted chocolate.
Phase 2: Layering and Baking
5. Assemble and Bake: Pour half of the brownie batter into your prepared baking pan and spread it evenly. Now comes the magic! Dollop spoonfuls of the 1 cup of marshmallow creme over the brownie batter. Don’t worry about making it perfect; you want some uneven patches for that delightful marshmallow texture. Then, carefully spoon the remaining brownie batter over the marshmallow creme, spreading it gently to cover as much of the marshmallow as possible. Don’t obsess over completely covering it; some marshmallow peeking through is a good thing! Place the pan in the preheated oven and bake for 30-35 minutes. You’ll know they’re done when a toothpick inserted into the center comes out with moist crumbs attached, not wet batter. Avoid overbaking, as this will result in dry brownies.
6. Cooling and Cutting: Once baked, remove the brownies from the oven and let them cool completely in the pan on a wire rack. This is a crucial step for achieving that perfect fudgy texture and allowing the marshmallow to set properly. Cutting into them too soon will result in a messy, gooey situation. Once fully cooled, use the parchment paper overhang to lift the entire brownie slab out of the pan. Place it on a cutting board and use a sharp knife to cut them into squares. For cleaner cuts, you can run your knife under hot water and wipe it dry between cuts, especially after cutting through the marshmallow layers.
Enjoy these incredibly rich, fudgy, and marshmallow-laden brownies! They are perfect for a treat any time of day.

Conclusion:
And there you have it – the ultimate guide to crafting these utterly delightful Marshmallow Brownies! This recipe is a winner because it strikes that perfect balance between rich, fudgy brownie goodness and the gooey, sweet charm of toasted marshmallows. It’s surprisingly simple to make, yet yields a dessert that feels truly special and decadent. Imagine that crisp, golden marshmallow topping giving way to a dense, chocolatey base – it’s pure bliss for any chocolate lover. I absolutely encourage you to give these Marshmallow Brownies a try; they are guaranteed to become a favorite in your baking repertoire.
These brownies are incredibly versatile when it comes to serving. They are divine served warm, perhaps with a scoop of vanilla ice cream, allowing the marshmallow to get even gooier. They also hold up beautifully at room temperature, making them perfect for potlucks, parties, or simply enjoying with a cup of coffee or tea. For variations, consider adding a handful of chocolate chips to the batter for an extra chocolatey punch, or a sprinkle of sea salt on top of the marshmallows just before they set for a sophisticated sweet and salty contrast. You could even swirl in some caramel before baking for another layer of indulgence. Don’t hesitate to experiment and make them your own!
Frequently Asked Questions:
Can I make these Marshmallow Brownies ahead of time?
Yes, absolutely! These brownies are best enjoyed within 2-3 days of baking. Store them in an airtight container at room temperature. While the marshmallow topping might lose a touch of its crispness over time, the flavor remains fantastic.
What kind of marshmallows work best?
Standard large marshmallows are ideal for achieving that classic toasted topping. You can also chop up larger marshmallows if needed. For a fun twist, you could try using flavored marshmallows, like strawberry or mint, though the classic vanilla flavor is hard to beat!
How do I get the marshmallows to toast evenly?
Broiling them for a very short time is key. Keep a close eye on them as they can go from perfectly toasted to burnt very quickly. Alternatively, you can use a kitchen torch for more controlled toasting. Ensure your oven rack is positioned correctly for even heat distribution.

Marshmallow Brownies
Fudgy brownies swirled with gooey marshmallow creme.
Ingredients
-
2 cups White granulated sugar
-
3 Large eggs
-
1 Egg yolk
-
1/2 cup Unsalted butter (melted)
-
2 tsp Pure vanilla extract
-
1/2 cup Oil (canola or vegetable)
-
3/4 cup All-purpose flour
-
1 cup Unsweetened cocoa powder (Use dutch process cocoa powder)
-
1 1/2 TBSP Cornstarch
-
1/2 tsp Salt
-
1 cup Semi-sweet chocolate chips
-
1 cup Marshmallow creme
Instructions
-
Step 1
Preheat oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan. -
Step 2
In a large bowl, whisk together sugar, eggs, and egg yolk until well combined. -
Step 3
Stir in melted butter, vanilla extract, and oil until smooth. -
Step 4
In a separate bowl, whisk together flour, cocoa powder, cornstarch, and salt. -
Step 5
Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix. -
Step 6
Fold in the semi-sweet chocolate chips. -
Step 7
Pour half of the batter into the prepared baking pan. Dollop spoonfuls of marshmallow creme over the batter. Pour the remaining batter over the marshmallow creme, then gently swirl with a knife. -
Step 8
Bake for 30-35 minutes, or until a toothpick inserted into the center comes out with moist crumbs attached. -
Step 9
Let cool completely in the pan before cutting into squares.
Important Information
Nutrition Facts (Per Serving)
It is important to consider this information as approximate and not to use it as definitive health advice.
Allergy Information
Please check ingredients for potential allergens and consult a health professional if in doubt.