Rum Sweet Potato Pie

Name: Rum Sweet Potato Pie
Cook time: 30 min
Total time: 30 min
Cuisine: American
Ingredients: 1 1/4 pounds sweet potatoes (3 medium); 1 piece refrigerated pie dough (or 1 disk homemade dough; see page 122); All-purpose flour, for dusting; 1/2 cup plus 3 tablespoons granulated sugar; 1/2 cup packed dark brown sugar; 4 tablespoons unsalted butter, melted; 1/4 cup dark rum; 1 teaspoon pure vanilla extract; 1/4 teaspoon ground cinnamon; 1/4 teaspoon minced peeled fresh ginger; Pinch of kosher salt; 2 large eggs; 1 cup canned coconut milk; 1 cup cold heavy cream; 1/4 teaspoon grated orange zest