Preheat oven to 375˚F

Cream together butter, sugar, and egg yolks.

Mix in flour mixing until a soft dough forms.

Pinch off pieces and roll dough balls in your palms to make 1 inch balls.

Place balls on cookie sheet and make a well in the center.

Fill each well with 1/2 tsp jam

Bake for 8-10 minutes until golden on the bottom.

Remove and cool on wire rack--Jam is HOT, be sure to cool.