1 sm. pkg. Oreo cookies
1/2 gallon coffee ice cream
1 container chocolate frosting
1 c. chopped nuts
1/2 stick butter
1 (8 oz.) Cool Whip

Crush Oreo cookies (food processor). Melt 1/2 stick butter. Mix together to make a crust. Spread into 9x13x2-inch pan. Top with ice cream; freeze. When hard, spread chocolate frosting over ice cream, then spread Cool Whip on top or frosting. Sprinkle nuts. Freeze. Cut into squares.