Old Fashioned Coconut Pie
["1 1/2 c. sugar", "1/4 c. flour", "2 c. milk", "3 egg yolks, slightly beaten", "1 c. coconut", "1 Tbsp. margarine", "1 tsp. vanilla", "1 (9-inch) pie shell", "3 egg whites", "1/4 tsp. cream of tartar", "3 Tbsp. sugar", "1 tsp. vanilla", "1/3 c. coconut"]
["In medium saucepan, combine 1 1/2 cups sugar and flour. Gradually stir in milk.", "Cook and stir over medium heat 6 to 8 minutes or until thickened and bubbly.", "Stir 1 cup hot mixture into egg yolks; immediately return to saucepan and hot mixture.", "Cook and stir for 3 to 4 minutes longer.", "Remove from heat and stir in 1 cup coconut, margarine and 1 teaspoon vanilla.", "Pour into pie shell and bake for 30 minutes in oven at 350\u00b0."]
["sugar", "flour", "milk", "egg yolks", "coconut", "margarine", "vanilla", "pie shell", "egg whites", "cream of tartar", "sugar", "vanilla", "coconut"]