Fudgy Marshmallow Brownies

Posted on July 21, 2026

Delicious fudgy marshmallow brownies on a plate

Fudgy Marshmallow Brownies

Fudgy marshmallow brownies are a decadent dessert that combines rich, chocolatey brownie layers with gooey, sweet marshmallows. These brownies are perfect for any occasion, whether it’s a family gathering or a casual night in. You may also find Easy Gluten Free Coconut Flour Brownies 2 useful.

Prep TimeCook TimeTotal TimeServingsDifficultyCuisine
15 minutes30 minutes45 minutes12 servingsEasyAmerican

Why This Recipe Works

This fudgy marshmallow brownie recipe stands out due to its unique texture and flavor combination. The use of melted butter and sugar creates a moist base, while the addition of cocoa powder gives it a rich chocolate flavor. I’ve been experimenting with brownie recipes for years, and this one consistently delivers the kind of gooey texture you crave.

Incorporating mini marshmallows offers an unexpected surprise in each bite, providing not just sweetness but also a delightful chewiness. I’ve paired this recipe with some of my favorite toppings and fillings, and it always turns out fantastic. For a similar treat, check out these delicious gluten-free brownies for another alternative that never disappoints.

Ingredients

IngredientQuantityNotes
Butter1 cupMelted
Sugar2 cupsGranulated
Eggs4 large
Vanilla Extract1 teaspoonPure is best
All-Purpose Flour1 cupCan substitute with gluten-free flour
Cocoa Powder1 cupUnsweetened
Salt1/2 teaspoonEnhances flavor
Mini Marshmallows2 cupsFor a gooey texture
Chocolate Chips1/2 cup (optional)For extra chocolate flavor

Fudgy Marshmallow Brownies

Step-by-Step Instructions

  1. Preheat

    your oven to 350°F (175°C) and grease a 9×13 inch baking dish.

  2. Mix

    the melted butter and sugar together in a large bowl until well combined.

  3. Add

    the eggs one at a time, mixing well after each addition, followed by the vanilla extract.

  4. Sift

    together the flour, cocoa powder, and salt in another bowl.

  5. Gradually combine

    the dry ingredients with the wet mixture, stirring until just combined.

  6. Fold

    in the chocolate chips if desired.

  7. Pour

    half of the brownie batter into the prepared baking dish and spread it evenly.

  8. Sprinkle

    the mini marshmallows over the brownie layer, then add the remaining brownie batter on top to cover the marshmallows.

  9. Bake

    for 25-30 minutes, or until a toothpick inserted into the center comes out mostly clean.

  10. Cool

    before cutting into squares and serving.

Fudgy Marshmallow Brownies

Chef Tips for Perfect Results

  • Use high-quality cocoa powder for the best chocolate flavor.
  • Let the butter cool slightly before mixing with sugar to prevent cooking the eggs.
  • For extra indulgence, try adding a swirl of caramel sauce on top before baking.
  • Ensure all ingredients are at room temperature for better incorporation.
  • If you like nuts, feel free to add a half cup of chopped walnuts or pecans to the batter.

Common Mistakes to Avoid

  • Overmixing: This can lead to tough brownies. Mix just until combined.
  • Underbaking: Ensure the toothpick comes out with a few moist crumbs, but not wet batter.
  • Using cold ingredients: Cold eggs or butter won’t mix well. Always use rooms temperature ingredients.
  • Not greasing the pan: This may cause the brownies to stick. Use butter or parchment paper.

Variations and Substitutions

IngredientSubstitutionImpact on Flavor
All-Purpose FlourAlmond FlourNutty flavor; denser texture
SugarCoconut SugarSlightly caramel-like flavor
Mini MarshmallowsRegular MarshmallowsSimilar but larger in size, may not distribute as evenly

Serving Suggestions and Pairings

Fudgy marshmallow brownies pair wonderfully with vanilla ice cream for a classic dessert. They can also be served with a drizzle of chocolate ganache for extra richness. These brownies are excellent for birthday parties, holiday gatherings, or just a cozy night at home. Consider pairing them with a scoop of raspberry sorbet for a refreshing contrast.

Storage and Reheating

MethodDurationInstructions
RefrigeratorUp to 1 weekStore in an airtight container to maintain freshness.
FreezerUp to 3 monthsWrap brownies tightly in plastic wrap and foil before freezing.

Nutritional Information

NutrientAmount per Serving
Calories350
Total Fat18g
Saturated Fat10g
Cholesterol70mg
Sodium150mg
Total Carbohydrates45g
Dietary Fiber2g
Sugars35g
Protein3g

Frequently Asked Questions

Can I substitute the granulated sugar with brown sugar?

Yes, using brown sugar will give the brownies a deeper, molasses-like flavor, enhancing their richness.

What should I do if my brownies seem underbaked?

If your brownies are underbaked, you can return them to the oven for an additional 5-10 minutes. Keep an eye on them to avoid overcooking.

Can I make these brownies ahead of time?

Absolutely! You can make these brownies a day ahead, and they actually taste better after resting. Just store them in an airtight container.

What’s the best way to cut brownies?

For clean cuts, use a sharp knife and clean it between cuts. This will ensure that the brownies remain intact and don’t fall apart.

How can I enjoy these brownies beyond just eating them plain?

These fudgy marshmallow brownies are delicious on their own but could also be served warm with a scoop of ice cream or drizzled with chocolate sauce.

Conclusion

Fudgy marshmallow brownies offer a delicious blend of chocolatey richness and marshmallow sweetness that is sure to satisfy any dessert lover. Their gooey texture and simple preparation make them a go-to recipe for gatherings or a cozy night at home. For more brownie inspiration, you might enjoy trying out the Fudgy Marshmallow Brownies + VIDEO or the delectable Marshmallow Swirl Brownies.

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