Preheat oven to 350° F.
Pulse cookies in food processor until it forms fine crumbs. (Alternatively, place cookies in plastic bag and crush with rolling pin or mallet). Makes 1 1/2 cups crumbs. Toss cookie crumbs with melted butter.
Press mixture into bottom and up the sides of 9-inch pie plate. Bake until light golden, about 7 minutes. Cool completely before filling.