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Ultra Soft & Chewy Hot Chocolate Cookies with Molten Marshmallow Centers

Two halves of a rich, dark chocolate cookie broken open to show a melted marshmallow and gooey chocolate center, characteristic of hot chocolate cookies.

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Make soft, chewy cookies that taste just like a mug of hot chocolate, complete with melted marshmallow centers.

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 cup semi-sweet chocolate chips
  • 1 cup mini marshmallows, plus 12 large marshmallows, halved

Instructions

  1. Preheat your oven to 350 degrees F (175 degrees 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.
  3. Beat in the eggs one at a time, then stir in the vanilla extract.
  4. In a separate bowl, whisk together the flour, cocoa powder, baking soda, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Do not overmix.
  6. Stir in the chocolate chips.
  7. Scoop rounded tablespoons of dough onto the prepared baking sheets, leaving space between them.
  8. Press a small indentation into the center of each dough ball. Place one half of a large marshmallow into the indentation. Cover the marshmallow half with a small amount of extra dough, sealing it completely.
  9. Bake for 10 to 12 minutes. The edges should be set, but the centers should still look slightly soft.
  10. Remove from the oven. Immediately press 3 or 4 mini marshmallows onto the top of each warm cookie. Let the cookies cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.

Notes

  • For extra rich flavor, use Dutch-processed cocoa powder.
  • Chill the dough for 30 minutes before baking if your kitchen is warm; this helps prevent spreading.
  • Store cooled cookies in an airtight container at room temperature for up to 4 days.

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