Heat oven to 350°F. In large bowl, break up cookie dough. Stir or knead in flour and chopped cashews until well blended. Shape dough into 46 (1-inch) balls. Wrap each ball of dough around 1 milk chocolate candy. On ungreased cookie sheets, place 2 inches apart.
Bake 9 to 11 minutes or until cookies are set and edges are light golden brown. Cool 1 minute; remove from cookie sheets to cooling racks. Cool 15 minutes.
Meanwhile, in small microwavable bowl, microwave remaining milk chocolate candies uncovered on High 1 minute; stir until smooth. If necessary, microwave 10 seconds longer.
Swirl 1/2 teaspoon melted chocolate on top of each cookie. Press 1 whole cashew into chocolate on each cookie.