Cut slit into side of 1 caramel candy. Cut off both ends of gummy worms to form 48 "tongues." Carefully insert 1 gummy tongue into slit. Repeat with remaining caramels and gummy worm pieces.Attach M&M's to caramel candies to resemble "eyes," using frosting as glue.Preheat oven to 350 degrees. Grease 12 mini muffin cups (1 3/4 in.).Remove cookie dough from pkg. Cut dough into 12 (1 in.) slices. Cut each slice into 4 equal sections. Place 1 section of dough into each muffin cup.Bake 9 min. Remove from pan and set on wire rack until almost cool.Press 1 decorated caramel candy into center of each cookie.