Orange Buttermilk Chess Pie

Pie Crust

• 1 homemade pie crust chilled (9 in.)
  ou 1 pie crust store bought, chilled (9 in.)

Filling

• 2 oranges thin peel only, no pith, divided, plus 2 tbsp juice
• 7 oz sugar
• 2 oz yellow cornmeal
• 1 vanilla bean cut into pieces
• 1 oz unsalted butter chilled, cut into pieces (½ in.)
• 3 oz buttermilk
• 4 large eggs
• ¼ tsp salt
• confectioners sugar to garnish