Orange Rum Bundt Cake

Name: Orange Rum Bundt Cake
Prep time: 15 min
Cook time: 1 h 5 min
Total time: 1 h 20 min
Cuisine: Thai, Asian, Eastern European, European
Ingredients: 3 cups all-purpose flour*; 1/2 teaspoon baking soda; 1/2 teaspoon salt; 1 cup (2 sticks) unsalted butter, softened; 2 3/4 cup [brand:name] Extra Fine Granulated Sugar; 4 large eggs; 1 tablespoon vanilla extract; 2 tablespoons orange zest (zest of about 1 large orange); 3/4 cup buttermilk; 1/2 cup dark spiced rum; [brand:name] Confectioners Powdered Sugar, optional