Chocolate Chess Pie
["1 stick butter", "1 1/2 c. sugar", "2 Tbsp. cocoa (rounded)", "1 Tbsp. flour (rounded)", "3 eggs", "1 tsp. vanilla", "1/4 c. milk (can use evaporated)", "1 unbaked pie shell", "Cool Whip"]
["Melt butter.", "In separate pan, mix sugar, flour and cocoa. Pour into butter.", "Stir to mix. Add eggs, one at a time, stirring after each one.", "Add milk and vanilla. Pour into unbaked pie shell. Bake at 350\u00b0 for approximately 40 minutes until set. Cool thoroughly before cutting.", "Top with Cool Whip before serving."]
["butter", "sugar", "cocoa", "flour", "eggs", "vanilla", "milk", "shell"]