Ingredients
2 c soft butter - no substitutes
8 oz soft cream cheese
2 c sugar
2 egg yolks
1 t vanilla
4 1/2 c flour
Preparation
Beat the butter and cream cheese until light, then beat in the sugar and eggs until fluffy. Add vanilla, then the flour. Form 2 discs of dough and chill at least 2 hours. Roll out fairly thick (1/4") and bake at 350º just until set, NOT brown, about 10 minutes.