Crust:¼ cup butter2 Tbsp sugar½ tsp vanilla½ cup all-purpose flourPreheat oven to 400° Beat butter until soft. Gradually add sugar and beat until light and fluffy. Add vanilla and stir in flour. With floured fingertips, press dough evenly on bottom only of ungreased 10″ spring-form pan. Bake until golden (10-12 min.). Cool completely on a