Chocolate Chess Pie
["1 stick margarine (room temperature)", "4 eggs", "pinch of salt", "1 tsp. vanilla", "2 uncooked pie shells", "2 1/2 c. sugar", "8 Tbsp. cocoa", "2 c. evaporated milk (1 can)"]
["Cream margarine and sugar together; add eggs.", "Mix with electric mixer.", "Add rest of ingredients and beat well.", "Bake 40 minutes at 325\u00b0.", "Makes 2 pies."]
["margarine", "eggs", "salt", "vanilla", "pie shells", "sugar", "cocoa", "milk"]