1 c. butter
3/4 c. sugar
2 1/2 c. flour
1/2 c. cornstarch
1/2 tsp. salt

Cream butter and sugar well. Add flour, cornstarch, and salt; blend well (mixture will be crumbly). Turn into 9 x 9 inch pan. Press down evenly until smooth. Prick all over with fork. Bake at 300 degrees for 50-60 minutes or lightly brown around edges. Cool 10 minutes; then cut into 1 inch squares, approximately 36 cookies. Mails well - excellent for fathers and great aunts birthdays.