Coconut Cream Pie
["1 (9-inch) baked pie shell", "1 c. sugar", "1/2 c. flour", "1/4 tsp. salt", "3 c. milk", "4 egg yolks", "3 Tbsp. margarine", "1 1/2 tsp. vanilla", "1 1/3 c. flaked coconut"]
["In saucepan, combine sugar, flour and salt.", "Gradually stir in milk.", "Cook and stir mixture until thickened and bubbly.", "Reduce heat, cook and stir 2 minutes more.", "Remove from heat."]
["shell", "sugar", "flour", "salt", "milk", "egg yolks", "margarine", "vanilla", "flaked coconut"]