6 tbsp. butter
3 tbsp. cocoa
1 (14 oz.) can sweetened condensed milk
1 c. heavy cream
1 (9") chocolate pie crust

Melt butter in saucepan. Add cocoa. Cool and add condensed milk. Whip cream until stiff and fold into chocolate mixture. Pour into crust. Freeze about 6 hours. Top with whip cream and chopped nuts.