- For hair, tint shredded coconut with red and yellow liquid food coloring.
- Cut the cheesecake into 1-inch-wide wedges. trim the short curved edge of the wedge to straighten it. Make a straight cut into the edge of the cookie (hat brim). Place the cookies against the cheesecake wedge to check the shape; trim the cookie brim as needed.
- Dip the cheesecake into melted semisweet chocolate chips. Before the chocolate sets, sprinkle with nonpareils and set cookie brim in place.
- Before serving, place the hat on a plate. Using a small scoop, form a ball of lime sherbet for the head. Place the head against the brim and decorate with candies for eyes, sprinkles for brows and a mouth, and half a cashew for the nose. Press coconut in place for hair. Return to the freezer until serving time.