I have found this version in several locations.

CHICAGO PUBLIC SCHOOL CAFETERIA BUTTER COOKIES
(cut down version)

2 sticks (1 cup) butter, softened
2/3 cup granulated sugar
2 cups plus 2 tablespoons flour
2 teaspoons vanilla extract

Preheat oven to 350 degrees F.

Cream butter and sugar until fluffy. Add vanilla extract. Mix in flour in small increments. Roll dough into balls; Flatten on ungreased cookie sheets.

Bake until golden brown.

Makes about 1 1/2 dozen cookies