Chocolate Pie
["1 c. sugar", "1/4 c. cocoa", "1/4 c. flour", "2 c. milk", "3 egg yolks, beaten", "2 Tbsp. margarine", "pinch of salt", "1 tsp. vanilla"]
["Mix sugar, cocoa, flour and salt.", "Add other ingredients except vanilla.", "Cook until thick, 15 to 20 minutes.", "Remove from heat; add vanilla.", "Pour in baked pie shell.", "Top with meringue made with 4 egg whites, 1/2 cup sugar and a pinch of salt.", "Beat egg whites until stiff.", "Add sugar a little at a time; add salt.", "Beat until very stiff.", "Pour on pie and bake at 400\u00b0 until brown."]
["sugar", "cocoa", "flour", "milk", "egg yolks", "margarine", "salt", "vanilla"]