1 cup butter
3 ounces cream cheese
1 cup granulated sugar
1 egg yolk
2 1/2 cups all-purpose flour
1/4 teaspoon lemon extract
1 teaspoon vanilla extract
1/2 teaspoon salt

Beat butter and cream cheese well. Add remaining ingredients, and mix well. Bake at 350 degrees F for 10 to 15 minutes until light brown.

NOTE: You can also use almond extract instead of the lemon extract. A nice Christmas touch is to tint the dough with green food coloring, then sprinkle the cookies with red sugar before baking.