PREPARE refrigerated cookie dough according to package directions. (If using dough from one batch Original cookie dough, make 16 cookies, baked 9 to 11 minutes.) Cool on baking sheets on wire racks for 1 minute; remove to wire racks to cool completely.
PLACE marshmallow on bottom side of one cookie. Microwave on MEDIUM (50%) power for 10 to 20 seconds or until marshmallow expands. Top with second cookie. Cool for 1 to 2 minutes. Repeat with remaining cookies and marshmallows.
*NOTE: Or substitute dough from one batch Original NESTLÉ® TOLL HOUSE® Chocolate Chip Cookies (NESTLÉ® TOLL HOUSE® Semi-Sweet Chocolate Morsels 6-oz. pkg. recipe).