3/4 cup powdered sugar
1/2 cup Argo or Kingsford's Corn Starch
3/4 cup (1-1/2 sticks) Land O Lakes Butter, softened
1-1/2 tsp. vanilla extract
1 cup finely chopped Diamond Walnuts
Shape dough into 1-1/4 inch balls (chill dough if necessary for easier handling). Roll in walnuts. Place on ungreased baking sheets.
Bake in preheated 375 oven for 12-15 minutes or until set. Let stand for 2 minutes; remove to wire racks to cool completely.
Chocolate Walnut Melting Moments: Reduce flour to 1 cup. Add 1/3 cup Nestle Toll House Baking Cocoa and 1/4 tsp. salt to flour mixture. Shape into balls; bake as above.