Cream butter in a large mixing bowl; gradually add sugar, beating until light and fluffy. Add egg yolk, vanilla, and salt; beat well. Stir in flour. Chill at least 1 hour.
Press dough from cookie press onto ungreased cookie sheets. Bake at 350° for 8 to 10 minutes. Remove cookies to wire racks to cool.
Oxmoor House Homestyle Recipes
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