Scottish Shortbread Cookies

¼ cup confectioner’s sugar

¼ cup granulated sugar

1¼ cup butter cut into 8 or 10 squares

2½ cups flour

Place sugars in food processor and blend until very fine. Add butter. Pulse until sugar disappears. Add flour. Pulse until all flour is dampened. Put in a plastic bag and knead until it holds together. Remove from bag and shape into 1” balls. Place on unbuttered cookie sheet 2” apart. Flatten with the bottom of a glass or cookie press. Bake 15 minutes at 350◦ until pale gold. Cool.