1 c. butter
2/3 c. sugar
2 egg yolks
1 tsp. vanilla
2 1/2 c. flour
Jelly or preserves

Preheat oven to 400 degrees. Beat together butter, sugar, egg yolks, and vanilla. Make small balls with a heaping tablespoon and put on ungreased cookie sheet. Use thumb to make well in centers.

Cook 6 to 8 minutes, remove from oven and fill indentations with jelly or preserves. Return to oven for another 2 minutes. Cool on racks. Pig out!