Microwave Chocolate Pie
["5 Tbsp. cornstarch", "1 1/3 c. sugar", "5 Tbsp. cocoa", "2 1/2 c. cold milk", "3 eggs, separated", "1 tsp. vanilla", "2 Tbsp. margarine", "1 cooked pie shell"]
["Stir together cornstarch, sugar and cocoa.", "Add cold milk. Do not stir.", "Put in microwave and cook 3 minutes on High.", "Then stir to mix well.", "Return to the microwave for 5 more minutes on High.", "Remove and stir well to blend.", "Beat about 1/3 of the mixture slowly into the 3 beaten egg yolks, until they look chocolaty and are steaming.", "Return the yolk mixture to the remaining filling and mix well.", "Cook on High 2 minutes.", "Remove and stir.", "Add margarine and vanilla.", "Mix well.", "Pour into the cooked shell.", "Beat egg whites with 2 or 3 tablespoons sugar and brown at 350\u00b0 for 10 minutes."]
["cornstarch", "sugar", "cocoa", "cold milk", "eggs", "vanilla", "margarine", "shell"]