Best Cheese Cake

Directions

1. 1
   Mix first 3 ingredients.
2. 2
   Cut in butter until crumbly, then add egg yolk and vanilla; blend thoroughly.
3. 3
   Pat 1/3 of dough on bottom of 9-inch spring-form pan with sides removed.
4. 4
   Bake in hot oven (400°) 6 minutes or until golden; cool.
5. 5
   Butter sides of pan and attach to bottom.
6. 6
   Pat remaining dough evenly on sides to height of 2 inches.