the best we've ever had.
Sift together cornstarch, icing sugar & flour in bowl.
Have butter at room temperature. Blend butter into dry ingredients with a spoon until soft dough forms.
Shape into balls about 1 inch in diameter. Place on ungreased cookie sheet about 1 1/2 inches apart.
Flatten dough with lightly floured fork.
Bake in slow oven (300) for 15 mins, or until edges of cookie are slightly brown.
Note: If dough becomes soft, cover & chill 1/2 hr.