Snickerdoodle Buttermilk Pie

Name: Snickerdoodle Buttermilk Pie
Prep time: 5 min
Cook time: 45 min
Total time: 50 min
Cuisine: American, Southern
Ingredients: 1 9-inch unbaked deep dish frozen pie crust (I.e. Mrs Smith's); 1 1/3 cup granulated sugar; 1/4 cup all-purpose flour; 1/4 tsp salt; 1/4 tsp baking soda; 1/8 tsp nutmeg; 4 large eggs; 1 1/2 cup whole or low fat buttermilk (not fat free); 1/4 cup butter (melted (1/2 stick)); 2 tsp pure vanilla extract; 1 Tbsp granulated sugar; 1/2 tsp ground cinnamon