1 sm. box vanilla wafers, crush into crumbs
1/2 stick melted butter

Mix butter with crumbs and pat into 9x13 pan, reserving some crumbs for the top. Hershey's Hot Fudge Sauce 2 bananas, sliced 1 lg. Cool Whip Chopped pecans

Cover bottom of 9x13 pan with crumbs, reserve 1 cup. Slice bananas and lay on top of crumbs. Lay ice cream slices on bananas, drizzle with hot fudge sauce and freeze. Top with Cool Whip. Sprinkle with remaining crumbs and chopped pecans. Freeze.