Chocolate Chess Pie
["1/2 c. margarine", "1 1/2 c. sugar", "3 Tbsp. cocoa", "1 tsp. vanilla", "2 large eggs", "5 1/3 oz. can evaporated milk", "1 unbaked pie shell or 12 unbaked tart shells"]
["Melt margarine.", "Stir sugar and cocoa into margarine.", "Add vanilla and stir.", "Add eggs, one at a time, beating well with fork.", "Add milk; stir well.", "Pour into pie shell and bake approximately 45 minutes at 350\u00b0", "or until set.", "For tarts, bake 20 minutes at 350\u00b0."]
["margarine", "sugar", "cocoa", "vanilla", "eggs", "milk", "shell"]