Chocolate Pie
["3 egg yolks", "1 1/4 c. sugar", "1/4 c. flour", "1/4 c. cocoa", "2 1/2 c. milk", "1 Tbsp. butter", "1 tsp. vanilla"]
["Cook the first 5 ingredients all together, then add butter. Add vanilla and cook until it gets thick.", "Pour it in a precooked pie shell.", "If you want meringue on top, beat your egg white and put on top (like on top of banana pudding).", "Bake at 350\u00b0 for 12 to 15 minutes."]
["egg yolks", "sugar", "flour", "cocoa", "milk", "butter", "vanilla"]