Chess Pie

Name: Chess Pie
Prep time: 10 min
Cook time: 1 h
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 3/4 cups granulated sugar; 3 Tablespoons yellow cornmeal; 2 Tablespoons all purpose flour; 1/4 teaspoon salt; 1/2 cup unsalted butter (melted and cooled slightly); 1/4 cup milk (at room temperature); 1 Tablespoon distilled white vinegar; 1 teaspoon vanilla extract; 4 large eggs (at room temperature); 1 9 inch frozen pie crust (thawed in fridge. Or homemade pie crust); powdered sugar (optional as garnish)