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Fudgy Hot Chocolate Brownies with Toasted Marshmallow Topping

Close-up of a fudgy hot chocolate brownie square topped with toasted marshmallows and chocolate drizzle.
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Make rich, fudgy brownies that taste like your favorite hot cocoa, complete with a marshmallow swirl and a toasted topping.

Ingredients

Scale
  • 1 box (18.3 ounces) brownie mix (plus ingredients listed on box)
  • 1/2 cup hot cocoa mix (not sweetened)
  • 1/4 cup all-purpose flour
  • 1/2 cup unsalted butter, melted
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 cup marshmallow fluff or marshmallow creme
  • 1 cup mini marshmallows, for topping
  • 2 tablespoons chocolate syrup, for drizzling

Instructions

  1. Preheat your oven to the temperature specified on the brownie mix box. Line an 8×8 inch baking pan with parchment paper, leaving an overhang on two sides for easy removal.
  2. In a medium bowl, whisk together the dry brownie mix, hot cocoa mix, and flour until combined.
  3. In a separate bowl, whisk together the melted butter, egg, and vanilla extract.
  4. Pour the wet ingredients into the dry ingredients. Mix until just combined; do not overmix.
  5. Pour half of the batter into the prepared pan and spread evenly.
  6. Dollop the marshmallow fluff over the batter in the pan. Use a knife or offset spatula to gently swirl the fluff into the batter.
  7. Pour the remaining batter over the marshmallow layer and spread carefully to cover.
  8. Bake according to the brownie mix directions for fudgy brownies, usually around 25-30 minutes.
  9. Remove the pan from the oven. Immediately sprinkle the mini marshmallows evenly over the hot brownie surface.
  10. Return the pan to the oven for 2-3 minutes, watching closely, until the marshmallows are puffed and lightly toasted.
  11. Remove from the oven and let the brownies cool completely in the pan before lifting out using the parchment overhang.
  12. Once cool, drizzle with chocolate syrup before cutting into squares.

Notes

  • For the fudgiest texture, use the amount of oil/water/eggs specified for fudgy brownies on your specific box mix, if options are provided.
  • If you do not have marshmallow fluff, you can skip the swirl step and just top the entire brownie surface with mini marshmallows before the final bake.
  • To toast marshmallows without putting the pan back in the oven, use a kitchen torch after the brownies have cooled slightly.

Nutrition

Find it online: https://cookincorner.com/hot-chocolate-brownies/