Southern Coconut Pie
["2 c. sugar", "1/2 c. flour", "4 egg yolks, beaten", "1 tsp. vanilla", "1 c. butter", "2 Tbsp. vinegar", "1 can coconut"]
["Mix all ingredients.", "In separate bowl, beat egg whites from the 4 eggs.", "Fold into mixture.", "Pour into 2 pie crusts and bake in oven at 300\u00b0 for about 1 hour."]
["sugar", "flour", "egg yolks", "vanilla", "butter", "vinegar", "coconut"]