Sour Cream Pecan Pie
["1 (9-inch) unbaked pastry shell", "1/2 tsp. ground cinnamon", "2 eggs", "1 tsp. vanilla extract", "whipped cream (optional)", "2 tsp. all-purpose flour", "1 c. dairy sour cream", "1 1/4 c. sugar", "1 1/2 c. Planter's pecan halves"]
["Bake pastry shell at 350\u00b0 for 7 minutes. Set aside. In small deep bowl, combine flour and cinnamon. Blend in sour cream with electric mixer at medium speed. Beat in eggs, sugar and vanilla until well blended. Reserve 1/4 cup pecans. Stir in remaining pecans. Pour into prepared pastry shell. Bake at 350\u00b0 for 40 to 45 minutes. Garnish with whipped cream and reserved pecan halves, if desired."]
["pastry shell", "ground cinnamon", "eggs", "vanilla extract", "whipped cream", "all-purpose flour", "sour cream", "sugar", "Planter's pecan"]