Break 8 or 10 cookies into blender. Process to make fine crumbs. Pour crumbs into a large bowl. Repeat with remaining cookies to make 8 cups crumbs. Or use a rolling pin to crush cookies between 2 sheets of waxed paper or in a plastic bag. Stir in sugar. Pour into a 10-cup container with a tight-fitting lid. Seal contaoner. Label with date and contents. Store in a cool, dry place. Use within 6 months. YIELD: About 8-1/2 cups Chocolate Wafer Crust Mix. SOURCE: MORE MAKE-A-MIX