Vinegar Chess Pie
["1 1/2 c. sugar", "3 eggs", "2 Tbsp. vinegar", "2 Tbsp. flour", "1 Tbsp. vanilla", "1 stick margarine"]
["Melt margarine; allow to cool.", "Mix all together and pour into unbaked crust.", "Bake at 300\u00b0 for 45 minutes or until set and crust is brown."]
["sugar", "eggs", "vinegar", "flour", "vanilla", "margarine"]