Lemon Chess Pie

Bahan-bahan (8 porsi)

• 1 (9-in) store-bought pie shell, thawed but cold (see note), or homemade pie crust
• 5 large eggs
• 1¾ cups granulated sugar
• Zest of 1 lemon ((a heaping teaspoon, packed))
• 3 tablespoons lemon juice, (from 1 to 2 lemons)
• 1½ teaspoons vanilla extract
• 2 tablespoons cornmeal
• 1 tablespoon all-purpose flour
• ½ teaspoon salt
• 1/2 cup (1 stick) unsalted butter, melted and cooled slightly
• Confectioners' sugar, (for serving (optional))