Brownie Ice Cream Pie

1 1/2 ounces (1 1/2 squares) unsweetened chocolate
3 tablespoons butter or margarine
1 cup granulated sugar
2 eggs
1/4 teaspoon salt
1/2 teaspoon vanilla extract
1/4 cup chopped walnuts
1 quart pistachio, mocha or vanilla ice cream
Cool Whip
Shaved chocolate

Melt chocolate and butter in top of double boiler. Cool slightly; add sugar.

In a bowl beat eggs until foamy; add chocolate mixture and continue beating. Fold in nuts. Pour into greased 9-inch pie plate and bake at 325 degrees F for about 35 minutes.

When cool, fill with ice cream. Freeze.

To serve, top with Cool Whip and sprinkle with shaved chocolate.