Chocolate Pudding
["4 Tbsp. (heaping) plain flour", "3 Tbsp. cocoa", "2 c. sugar", "4 eggs, separated", "pinch of salt", "butter"]
["Sift flour, sugar and salt.", "Add enough evaporated milk to make paste.", "Beat in egg yolks, one at a time.", "Add rest of milk and finish filling pan with sweet milk.", "Cook in a double boiler until it begins to thicken.", "Add butter and vanilla."]
["flour", "cocoa", "sugar", "eggs", "salt", "butter"]