Microwave Chocolate Mousse Pie
["1 (9-inch) baked pastry shell", "4 (1 oz.) sq. unsweetened chocolate", "1 (14 oz.) can Eagle Brand sweetened condensed milk (not evaporated milk)", "2 tsp. vanilla extract", "2 c. (1 pt.) whipping cream, whipped"]
["In a 2-quart glass measure with handle, combine chocolate, sweetened condensed milk and vanilla.", "Cook on 100% power (High) 2 to 4 minutes, stirring after each minute until chocolate is melted and mixture is smooth.", "Cool to room temperature, about 1 1/2 hours.", "Beat until smooth.", "Fold in whipped cream.", "Pour into prepared pastry shell.", "Chill 4 hours or until set.", "Garnish as desired.", "Refrigerate leftovers.", "Makes one 9-inch pie."]
["pastry shell", "unsweetened chocolate", "condensed milk", "vanilla extract", "whipping cream"]