Chocolate Pie
["3 Tbsp. cocoa", "1 c. sugar", "pinch of salt", "1 tsp. vanilla", "2 c. milk", "2 egg yolks", "1 Tbsp. flour"]
["Beat eggs; add hot mixture.", "Cook until thick.", "Pour in 8-inch baked crust."]
["cocoa", "sugar", "salt", "vanilla", "milk", "egg yolks", "flour"]