Cocoa Cream Pie
["8-inch baked pastry shell", "3/4 c. sugar", "1/4 c. Hershey's cocoa", "3 Tbsp. cornstarch", "1/4 tsp. salt", "2 c. milk", "2 egg yolks, beaten", "1 Tbsp. butter", "1 tsp. vanilla", "sweetened whipped cream"]
["Prepare pastry shell", "and", "cool.", "In", "a medium saucepan stir together the sugar, cocoa, cornstarch and salt.", "Gradually stir in milk.", "Cook", "over", "medium heat stirring constantly until mixture is thickened and bubbly.", "Boil 1 minute;", "remove from heat. Gradually stir", "about half of the hot filling into yolks.", "Return all to saucepan;", "bring to a gentle boil.", "Cook and stir 1 minute. Remove", "from", "heat.", "Stir", "in", "butter", "and vanilla.", "Pour into pastry shell."]
["pastry shell", "sugar", "cocoa", "cornstarch", "salt", "milk", "egg yolks", "butter", "vanilla", "whipped cream"]