Line a 13 x 9-inch baking pan with nonstick foil, leaving 2-inch overhang on
Prepare brownie mix as box directs. Spread into pan and bake 20 minutes or until
set. Cool in pan 30 minutes, then refrigerate until cold.
Holding foil by ends, lift brownies from pan, cut 10 circles with a 2 1/2-inch
cookie cutter. Place on baking sheet and freeze.
Cut away carton from one pint of ice cream; cut crosswise into 5 slices. Using
same cookie cutter, cut a circle from each slice. Place an ice cream circle on top
of each brownie, then return to freezer. Repeat with remaining pint of ice cream
to form stacks; freeze.
Heat broiler. Place cookies on baking sheet. Top each with 1 tablespoon marshmallows.
Broil 1 minute or until marshmallows brown. Let cool.
To serve, put a marshmallow-topped cookie on top of each ice cream stack and