Thoroughly cream butter, sugar and vanilla.
Add egg; beat till light and fluffy.
Stir in milk.
Stir together dry ingredients; blend into creamed mixture.
Divide dough in half. Chill 1 hour.
On lightly floured surface, roll to 1/8" or 1/4" thickness.*
Cut in desired shapes with cookie cutters.
Bake on greased cookie sheet at 375 degrees for about 6-8 minutes.
Cool slightly; remove from pan.
*Chill other half of dough till ready to use.
Yield: 2 dozen