In large mixing bowl, cream together butter and powdered sugar. Add remaining ingredients, mix at low speed until dough is formed.Cover bowl and chill for several hours.When ready to make cookies, you may tint dough with food coloring if desired. To make cookies: you may shape into 1 in. Balls and roll in colored sugar. You may flatten balls and decorate. You can roll out dough and cut with cookie cutters. Or as I do, load dough into cookie press and extrude into various shapes. Decorate cookies as desired. Bake on ungreased cookie sheet at 375 degrees for 10-12 minutes.Cookies will be soft and harden as they cool.