01 -
Put the butter and chocolate in a bowl. Microwave for 30-second intervals until melted, then let cool for 15 minutes.
02 -
Whisk together the flour, cocoa powder, salt, and baking powder.
03 -
Whip the eggs, sugar, and vanilla until smooth. Blend in the chocolate mix, then fold in the dry ingredients gradually.
04 -
Refrigerate the dough for at least 1 hour. If you leave it longer than 4 hours, let it sit at room temp for 30 minutes first.
05 -
Preheat your oven to 325°F. Line baking pans with parchment paper.
06 -
Scoop dough onto your prepared baking sheet, spacing each spoonful 2 inches apart.
07 -
Let the cookies bake for around 10 to 12 minutes. They should look slightly crackled.
08 -
Press a marshmallow half into the center of each cookie while they’re still hot.
09 -
Give them another 3 minutes in the oven to soften the marshmallows.
10 -
Allow the cookies to cool on the baking tray for 5 minutes, then transfer them to a wire rack.
11 -
Mix powdered sugar, melted butter, cocoa, water, and vanilla. Put a rack over a tray, spoon icing over the cookies, and sprinkle immediately.
12 -
Leave the cookies alone for 30 to 60 minutes so the icing can harden.