Molly'S Chocolate Pie
["1 1/2 c. white sugar", "3 Tbsp. cocoa", "3/4 c. flour", "3 egg yolks", "1/4 c. milk", "1 tsp. vanilla", "1 Tbsp. butter", "1 1/4 c. boiling water"]
["Mix sugar, flour and cocoa in saucepan.", "Beat egg yolks with milk.", "Gradually add water to dry ingredients; stir to blend. Stir some of the hot mixture into eggs, then mix all together. Cook until thick.", "Add vanilla and butter.", "Top with meringue."]
["white sugar", "cocoa", "flour", "egg yolks", "milk", "vanilla", "butter", "boiling water"]