Put butter in 9 inch micro proof pie plate. Cook on HI for 1 minute, or until melted. Stir in crumbs and sugar; mix well. Press into bottom and sides of pie plate. Cook on MEDIUM-HI for 1 to 1 1/2 minutes, or until set. Cool before filling. Yield: 1 -9 inch pie shell Note: You can use graham crackers, chocolate wafers, gingersnaps, or vanilla wafers. If you use very fine crumbs, you may want to increase the amount to 1 1/4 cups.