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Ultimate Chewy Hot Chocolate Cookies with Marshmallow Topping

A stack of rich, dark hot chocolate cookies topped with toasted marshmallows and chocolate drizzle.

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Capture the cozy flavor of your favorite winter drink in a soft, chewy cookie. These cookies use hot cocoa mix for deep chocolate flavor and are topped with melted marshmallows for the perfect finish.

Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter, softened
  • 1 cup packed light brown sugar
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 2 1/4 cups all-purpose flour
  • 3/4 cup unsweetened cocoa powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup high-quality hot cocoa mix (like Swiss Miss or Ghirardelli)
  • 1 cup semi-sweet chocolate chips
  • 1 cup mini marshmallows
  • 1/2 cup semi-sweet chocolate, for drizzling

Instructions

  1. Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper.
  2. In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy. This step builds the cookie’s texture.
  3. Beat in the eggs one at a time, then mix in the vanilla extract.
  4. In a separate bowl, whisk together the flour, cocoa powder, baking soda, salt, and hot cocoa mix.
  5. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Do not overmix.
  6. Fold in the chocolate chips.
  7. Drop rounded tablespoons of dough onto the prepared baking sheets, spacing them about 2 inches apart.
  8. Bake for 9 to 11 minutes. The edges should look set, but the centers should still look slightly soft for a chewy result.
  9. Immediately after removing the cookies from the oven, gently press 4 to 5 mini marshmallows onto the top of each warm cookie. Return the sheets to the oven for 1 to 2 minutes, just until the marshmallows puff and begin to melt. Watch closely to prevent burning.
  10. Remove cookies from the oven and let them cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.
  11. Once cooled, melt the chocolate for drizzling in a microwave-safe bowl in 30-second intervals, stirring until smooth. Drizzle the melted chocolate over the cooled cookies.

Notes

  • For the chewiest cookies, slightly underbake them. They will firm up as they cool.
  • Use a good quality hot cocoa mix; this is where the signature ‘hot chocolate’ flavor comes from.
  • If you prefer a gooey topping instead of a drizzle, melt a small amount of chocolate frosting and spread it over the marshmallow tops once the cookies are cool.

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