Chocolate Ginger Chess Pie

Name: Chocolate Ginger Chess Pie
Cuisine: American
Ingredients: Flour, for dusting; 1⁄2 recipe Flaky Butter Pie Dough; 2 cups heavy cream; 1 (3"-piece) ginger, peeled and thinly sliced; 4 tbsp. unsalted butter; 2 oz. bittersweet chocolate, minced; 1 oz. unsweetened chocolate, minced; 1⁄2 cup sugar; 3 eggs; 2 tbsp. yellow cornmeal; 1 tsp. ground ginger; 1⁄8 tsp. Kosher salt; 3 tbsp. confectioners' sugar; 2 tbsp. finely chopped candied ginger