6 frozen Heath bars
28 Oreo cookies, crumbled
1/2 gallon vanilla ice cream
1 (16 oz.) can Hershey's fudge topping
1 (12 oz.) Cool Whip

Crumble Oreo cookies and add 2 1/2 tablespoons butter. Press into a 9x13 inch pan and freeze for 1/2 hour. Spread ice cream over crumbs and freeze for 1/2 hour. Pour and spread fudge topping over ice cream; freeze for 1/2 hour. Put layer of Cool Whip on and freeze for 1/2 hour. Break up Heath bars with hammer and sprinkle on top. Make at least on day ahead.