Stop everything and make my grandmother's shortbread right now!!!!!
1 ½ cups flour
½ tsp salt
½ cup corn starch
1 cup butter
½ cup sugar
Sift flour, salt, cornstarch together twice then work in sugar, then butter continually kneading and working until the dough is fine and smooth. Press in 9 inch square pan and bake at 350° for half to ¾ hours.