3/4 pkg. Oreo cookies, crushed
1 stick butter, melted
3/4 c. powdered sugar
1/2 gallon ice cream
2 pkgs. Dream Whip
2 tsp. cocoa

Mix Oreo cookies, butter, and powdered sugar. Press into 9 x 13 inch pan, saving 1 cup for topping. Put 1/2 gallon ice cream for next layer. Prepare 2 packages Dream Whip according to directions, adding 2 teaspoons cocoa. Spread over ice cream. Spread crumbs over top. Freeze.