Instructions

Cream butter, sugar, and salt until light and fluffy. Add vanilla and egg yolks one at a time and mix well. Stir in flour and mix well. Mix in poppy seeds. Share into small balls. Place on lightly greased cookie sheets about 1 inch apart. Press in center of each cookie with thumb. Bake at 375 degrees for 10 to 12 minutes. Remove from cookie sheets and cool. Press in center again when cool. Fill centers with melted semi-sweet chocolate bits.