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Gooey Skillet S’mores Cookie

A freshly baked, gooey skillet s'mores cookie topped with toasted marshmallows and melted chocolate chips.

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Make this ultimate s’mores dessert in one cast iron skillet. This giant cookie features a graham cracker base, rich chocolate, and toasted marshmallows for a warm, gooey experience.

Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter, softened
  • 3/4 cup packed light brown sugar
  • 3/4 cup granulated sugar
  • 2 large eggs
  • 1 tablespoon vanilla extract
  • 2 1/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup crushed graham crackers, plus extra for topping
  • 1 1/2 cups semi-sweet chocolate chips
  • 1 cup milk chocolate chunks
  • 2 cups mini marshmallows

Instructions

  1. Preheat your oven to 350 degrees Fahrenheit. Lightly grease a 10-inch cast iron skillet.
  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 mix in the vanilla extract.
  4. In a separate bowl, whisk together the flour, baking soda, and salt. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
  5. Fold in the crushed graham crackers and the chocolate chips and chunks.
  6. Press about two-thirds of the cookie dough evenly into the bottom of the prepared skillet.
  7. Sprinkle the remaining crushed graham crackers over the dough layer.
  8. Scatter the marshmallows evenly over the top of the dough.
  9. Bake for 28 to 32 minutes. The edges should look set, but the center should still look slightly underbaked and very gooey.
  10. Remove the skillet from the oven. If desired, place a few extra marshmallows on top and briefly broil for 30 to 60 seconds until golden brown, watching carefully to prevent burning.
  11. Let the skillet cool for at least 15 minutes before serving directly from the skillet.

Notes

  • For the best gooey texture, underbake slightly. The residual heat will continue to cook the center as it cools.
  • Use a mix of milk and dark chocolate for complex flavor in your chocolate marshmallow bake.
  • Serve this warm gooey chocolate dessert with vanilla ice cream for an extra treat.

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