Poppy Seed Cookies I

1 cup butter

½ cup white sugar

2 egg yolks

2 cups all-purpose flour

¼ teaspoon salt

3 tablespoons poppy seeds

1 teaspoon vanilla extract

⅓ cup granulated sugar for decoration

Cream butter, sugar, and egg yolks. Add flour, salt, poppy seeds and vanilla. Mix well. Chill dough for one hour.

Preheat oven to 375 degrees F (190 degrees C). Grease cookie sheets.

Form dough into teaspoon sized balls. Place on cookie sheet and dip the bottom of a juice glass into sugar and press balls flat. Bake 8 to 10 minutes.