Fudge Pie
["1/4 c. butter", "1 (13 oz.) can evaporated milk", "3 eggs, separated", "1/2 c. brown sugar", "1 tsp. vanilla", "1/2 c. nuts, chopped", "2 Tbsp. semi-sweet chocolate pieces", "pinch of salt", "1 (9-inch) pie crust or chocolate crumb crust"]
["Combine butter, evaporated milk, egg yolks and brown sugar. Cook in double boiler over boiling water, stirring constantly, until thick.", "Add vanilla and nuts.", "Remove from heat; add chocolate pieces until melted.", "Set aside.", "Beat egg whites and salt until stiff.", "Fold into cooled chocolate mixture and pour into pie shell.", "Freeze until firm."]
["butter", "milk", "eggs", "brown sugar", "vanilla", "nuts", "semi-sweet chocolate pieces", "salt", "chocolate"]