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Giant S’mores Cookie Skillets

giant smores cookie skillets - featured image

These giant s’mores cookie skillets combine gooey chocolate, toasted marshmallows, and crunchy graham crackers in a thick, bakery-style cookie baked right in your skillet. Perfect for sharing, this easy dessert brings campfire nostalgia to your kitchen in under 40 minutes.

Ingredients

Scale
  • 1 cup (226g) unsalted butter, softened
  • 1 cup (210g) brown sugar (light or dark)
  • 1/2 cup (100g) granulated sugar
  • 2 large eggs, room temperature
  • 2 teaspoons pure vanilla extract
  • 2 1/2 cups (315g) all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 1/2 cups (250g) chocolate bars, chopped (milk or semi-sweet)
  • 1 1/2 cups (75g) mini marshmallows
  • 1 cup (90g) graham crackers, broken into chunks
  • Optional: Flaky sea salt, for sprinkling on top

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease a 10-inch cast iron skillet with butter or neutral oil. If using a cake pan, line the bottom with parchment paper.
  2. In a large mixing bowl, beat the softened butter with brown sugar and granulated sugar until light and fluffy, about 2–3 minutes. Scrape the bowl as needed.
  3. Add eggs one at a time, beating well after each addition. Stir in vanilla extract until the batter is silky and pale.
  4. In a separate bowl, whisk together flour, baking soda, and salt.
  5. Add the dry ingredients to the wet ingredients in two batches, stirring gently with a spatula just until combined. Do not overmix.
  6. Gently fold in chopped chocolate, mini marshmallows, and graham cracker pieces, reserving a handful of each for topping.
  7. Scoop the dough into the prepared skillet and press evenly to the edges. Dot the top with reserved chocolate, marshmallows, and graham cracker bits.
  8. Bake on the center rack for 25–30 minutes, or until the edges are deep golden brown and the center is just set. If desired, broil for 1–2 minutes to toast the marshmallows, watching closely.
  9. Let the skillet rest for 10–15 minutes before serving. Sprinkle with flaky sea salt if desired. Serve warm, straight from the skillet.

Notes

For gluten-free, use a 1:1 gluten-free flour blend and gluten-free graham crackers. For dairy-free, substitute plant-based butter and dairy-free chocolate. Do not overbake—the center should look slightly underdone for a gooey texture. Broil marshmallows at the end for a toasted finish. Let cool 10–15 minutes before slicing for best results.

Nutrition

Keywords: s'mores, cookie skillet, dessert, chocolate, marshmallow, graham cracker, easy, bakery-style, skillet cookie, campfire dessert