Ingredients
- 1 cup flour
- 1/3 cup cocoa powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1/2 cup butter (at room temperature)
- 1/2 cup granulated sugar
- 1/4 cup brown sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 1 cup chocolate chips / chocolate drops
- 12 large marshmallows
- 1/2 cup melted chocolate (for decoration)
