Cream sugar, shortening (may substitute 1/2 cup butter or margarine), eggs and vanilla thoroughly. Mix in remaining ingredients. Refrigerate 4 to 5 hours or overnight.
Preheat oven to 375 degrees F (190 degrees C).
Shape dough by rounded teaspoonfuls into balls. Place on ungreased baking sheet. Flatten with greased bottom of glass dipped in sugar. Bake for 10 minutes.
