Butter Cookies

Directions

1. 1
   Cream butter with mixer and add sugar, beating until fluffy. Add vanilla and egg yolks; beat well.
2. 2
   Add flour a little at a time with a large spoon, mixing well.
3. 3
   Shape into walnut size balls. Flatten slightly with bottom of a glass if desired.
4. 4
   Bake at 350° for 15 minutes.
5. 5
   They will not be brown; only bottom edges should be slightly brown.