For 9-Inch Pie Pan:

1 1/2 c. fine crumbs (graham cracker, vanilla wafer, chocolate cookie, gingersnap)
1/2 c. sugar
1/2 c. melted butter
1 1/2 c. crumbs
plus 1/2 c. fine chopped nuts

Mix well; pat firmly into pan. Chill until firm or bake 8 minutes at 375°F. Chill.