Chocolate Pie
["1 c. sugar", "1/4 c. cocoa", "1/4 c. flour", "pinch of salt", "3 eggs, separated", "2 c. milk", "1 tsp. vanilla", "2 Tbsp. butter"]
["Mix dry ingredients together in heavy pan; add milk and stir. Cook over low heat.", "Stir egg yolks together and add a little of the hot pudding to them.", "Mix and return it to the hot pudding. Bring mixture to a slow boil and cook 2 minutes.", "If it gets lumpy beat with mixer.", "Remove from heat; stir in vanilla and butter. Pour into baked pie shell and cover with meringue."]
["sugar", "cocoa", "flour", "salt", "eggs", "milk", "vanilla", "butter"]