Ingredients:
Directions:
In a medium bowl, whisk flour, cocoa powder, baking soda, salt, cayenne and 2 teaspoons ground cinnamon.
In a large bowl with a hand mixer, beat butter and brown sugar on medium-high until light and fluffy, about 2 minutes. Add egg and vanilla. Beat until creamy, 2 more minutes. Add flour mixture. Beat on low until no dry spots remain, about 1 minute.
With a 2-tablespoon (1-ounce) cookie scoop or tablespoon measure, scoop dough into mounds on a baking sheet. Cover and refrigerate for at least 2 hours, or up to overnight. Freeze marshmallows, if you haven’t already.
When ready to bake, heat oven to 350 degrees and line 2 baking sheets with parchment paper. Add granulated sugar and remaining teaspoon cinnamon to a small bowl.
Remove half of the dough from the refrigerator and let sit at room temperature for 5 minutes if the dough is very stiff. Take a mound of dough and flatten slightly in the palm of your hand. Pile 4 frozen mini marshmallows on top of the flattened dough, then bring the outer edges over the marshmallows to envelop them. Roll into a ball and then roll in the cinnamon sugar to coat. Place on the baking sheet, 3 inches apart.
Bake for 10-12 minutes, rotating halfway through, until cookies puff slightly and bits of molten marshmallow peek through the surface. Cool on the sheet for about 5 minutes, then transfer to a wire rack to cool completely. Cookies will keep for about 3 days in an airtight container at room temperature.
Tip: Balls of dough (not coated in cinnamon sugar) can be frozen for up to 3 months in an airtight container. To bake, thaw for 5 minutes at room temperature, roll in cinnamon sugar and bake for 13 to 15 minutes.