Remove from oven; cool slightly on baking sheets, about 15 minutes. 7. Once cookies have cooled slightly, increase oven temperature to broil with rack about 7 inches from heat source. 8.

Press down to slightly flatten. Bake cookies until just browned on the bottoms, 8 to 12 minutes. Let cool completely. Icing In a small bowl, whisk powdered sugar and milk until thick and spreadable.

10. Broil, 1 baking sheet at a time, on middle rack of oven until marshmallows are golden brown and melted, 1 to 2 minutes. (Keep an eye on them because they will toast very quickly.) Remove from ...