Chess Pie
["3 eggs", "1 1/2 cups sugar", "1 tsp. vanilla", "1 tsp. vinegar", "3/4 sticks margarine", "8 inch unbaked pie shell"]
["Cream sugar and margarine thoroughly.", "Beat until light. Bear in eggs, one at a time.", "Add vanilla and vinegar.", "Pour into unbaked pie shell.", "Bake at 375\u00b0 for 30 minutes."]
["eggs", "sugar", "vanilla", "vinegar", "margarine", "shell"]