1 c. butter
1/2 c. sugar
1/4 tsp. salt
2 egg yolks
2 c. flour
3 tbsp. poppy seeds
1 tsp. vanilla
Chocolate chips

Cream butter, sugar and salt until light and fluffy. Add vanilla, then egg yolks, 1 at a time. Mix well. Stir in flour. Mix in poppy seed. Shape into small balls. Press center with thumb. Bake at 375 degrees for 10 to 12 minutes or until bottom of cookie is just lightly browned. Press 1 chocolate chip in center. Makes about 75 cookies.