15 oz. pkg. Oreo cookies
1/3 c. melted butter
1 can Hershey fudge sauce
1 (8 oz.) Cool Whip
1/2 gallon vanilla ice cream

Crush Oreo cookies (including frosting). Add melted butter. Keep 2 cups of crumbs for topping and press remaining mixture into 9x13-inch pan. Slice ice cream and place on mixture; let soften and spread evenly.

Spread sauce on ice cream and Cool Whip on top of fudge sauce. Sprinkle the cookie mixture on top and put in freezer. Remove from freezer and let stand a few minutes before serving.