Microwave Pie
["1 1/4 c. sugar", "4 Tbsp. cocoa", "1/3 c. flour", "4 eggs (separate 3 and use whites for topping)", "1/2 tsp. vanilla", "9-inch pie shell, prebaked", "2 c. milk"]
["Combine all except the egg whites and vanilla.", "Microwave 5 minutes on High, then stir.", "Microwave 5 more minutes, stirring once.", "Remove; if not thickened, microwave 2 to 3 more minutes. Add butter (as desired) and vanilla.", "Pour into pie shell.", "Chill until set and serve."]
["sugar", "cocoa", "flour", "eggs", "vanilla", "pie shell", "milk"]