1 stick butter
1 half gallon vanilla ice cream
30 Oreo cookies (sm. pkg.)
1 pt. hot fudge
1 (12 oz.) container Cool Whip
Crushed walnuts

Crush cookies and mix into melted butter. Spread in bottom of 9x13 pan; freeze 20-30 minutes. Spread softened ice cream over cookie base; freeze until firm. Spread hot fudge over ice cream; freeze. Spread Cool Whip over fudge. Garnish with nuts and return to freezer.