1 c. California walnuts, minced
1/2 c. all-purpose flour
6 tbsp. butter (3/4 stick), softened
Sugar

In small bowl with hands, knead walnuts, flour, butter and 1/4 cup sugar until blended. Wrap dough with plastic wrap and refrigerate 30 minutes or until easy to handle.

Preheat oven to 400 degrees. Press 1/3 of dough onto bottom of 9 x 3 inch springform pan; keep remaining dough refrigerated. Bake bottom crust 8 minutes or until golden. Cool crust in pan on wire rack while preparing filling. Turn oven control to 475 degrees.