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Marshmallow Brownies

Marshmallow Brownies with Chocolate Frosting

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Recipe Details

Story

We’ve partnered with Food52, an online community of home cooks and recipe writers, to bring you their most memorable recipes for sharing with friends and family. Most people are familiar with making brownies from a box, but we love the sense of accomplishment that comes from mastering a recipe from scratch. Here, Food52 contributor Sarah Jampel shares her grandma Joan's signature recipe. A classic chocolate batter is baked into shallow brownies, then topped with a few decadent additions for a special-occasion feel: a layer of marshmallows and a silky, fudgy frosting.

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Quick facts

Serving size
4servings
Prep & cook time
minutes
Cooking Skill
easy
By Food52

By Food52

Nutritional info

  • Calories 520
  • Protein 5g
  • Total Carb 63g
  • Total Fat 31g

Given the cook-at-home nature of Plated and natural variation in ingredients, nutritional information is approximated. See details.

Ingredients & Equipment

What we send

  • half sticks unsalted butters
    2
    half sticks unsalted butters
  • semisweet chocolate chips
    3 ounces
    semisweet chocolate chips
  • granulated sugar
    1/3 cup
    granulated sugar
  • vanilla extract
    1/4 teaspoon
    vanilla extract
  • flour
    1/2 cup
    flour
  • mini marshmallows
    2 cups
    mini marshmallows
  • aluminum tin
    1
    aluminum tin

What You’ll Need

  • baking sheet

Cooking Steps

  1. Make ganache

    Make ganache

    Preheat oven to 350°F. In a medium heatproof bowl, combine half of butter and half of chocolate chips (save remaining chocolate for Step 5). Microwave in 30-second intervals, stirring between each, until completely melted. Set ganache aside for the next step. Cut remaining butter into 2 equal pieces; set aside 1 piece for Step 5 (save remainder for another recipe).

  2. Prepare brownie batter

    Prepare brownie batter

    In a large bowl, whisk together sugar and 1 egg until mixture is smooth and pale yellow. Add vanilla extract and ganache; whisk to combine. Wipe bowl from ganache clean and set aside for Step 5.

  3. Finish brownie batter

    Finish brownie batter

    To bowl with chocolate mixture, add flour and ½ teaspoon salt. Whisk until just combined, being careful not to overmix.

  4. Bake brownies

    Bake brownies

    Reshape aluminum tin if bent, then place on a baking sheet. Pour brownie batter into tin, spreading evenly. Bake until brownies are cooked through and a toothpick or sharp knife inserted in the middle comes out clean, 20-25 minutes.

  5. Make chocolate frosting

    Make chocolate frosting

    While brownies bake, to bowl from ganache, add 1 cup marshmallows, reserved 1 piece butter, and remaining chocolate chips. Microwave in 30-second intervals, stirring between each, until melted, smooth, and fully combined. Alternatively, heat frosting ingredients in a small pot over low heat; cook, stirring frequently, until melted and combined, about 2 minutes.

  6. Frost and plate brownies

    Frost and plate brownies

    Once brownies have finished baking, top with remaining marshmallows in a single layer. Drizzle chocolate frosting over marshmallows and carefully spread in an even layer. Allow brownies to cool completely, 20-30 minutes, before slicing and serving—this will allow the frosting to set. Enjoy!

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