Ingredient:

• 2 sweet potatoes
• 2 cups white sugar
• ¾ cup evaporated milk
• ½ cup unsalted butter, melted
• ¼ cup dark corn syrup
• 2 eggs, lightly beaten
• 3 tablespoons all-purpose flour
• 2 teaspoons vanilla extract
• 1 teaspoon apple pie spice
• ¼ teaspoon salt
• 1 (9 inch) unbaked deep-dish pie crust