Crush 30 Oreo cookies.

Melt 1/4 cup butter.

Combine crushed cookies and melted butter.

Press the cookie mixture into the bottom of a cake pan.

Soften 1 quart of vanilla ice cream.

Spread the softened ice cream over the cookie crust.

Freeze until solid.

In a saucepan, combine 2 oz melted baking chocolate, 1/4 cup butter, 2/3 cup sugar, and 2/3 cup evaporated milk.

Boil the chocolate mixture until it thickens, stirring constantly.

Remove from heat and cool slightly.

Stir in 1 teaspoon of vanilla extract.

Spread the cooled chocolate sauce evenly over the ice cream layer.

Return to the freezer and freeze until firm.

Spread a carton of Cool Whip over the chocolate layer.

Sprinkle crushed nuts on top of the Cool Whip.

Freeze again until completely solid.

Remove from freezer and enjoy.