1 pkg. Oreo cookies
1 stick butter
1/2 gal. mint chocolate chip ice cream
1 jar hot fudge ice cream topping
1 carton Cool Whip

Crush Oreo cookies and mix with butter. Press into 9 x 13-inch pan to form bottom crust. Cover with softened ice cream. Top with jar of hot fudge (not heated.) Cover with Cool Whip. Store in freezer until ready to serve.