French Apple Cake

Name: French Apple Cake
Prep time: 30 min
Cook time: 45 min
Total time: 1 h 15 min
Cuisine: French
Ingredients: 3 large baking apples (such as Honeycrips), cubed (about 4 cups); 2 teaspoons apple cider vinegar; 1 cup all-purpose flour; 1 teaspoon baking powder; 1 teaspoon kosher salt; 1/2 cup (1 stick) room temp unsalted butter; 1/2 cup granulated white sugar; 2 tablespoons light brown sugar; 2 large eggs; 3 tablespoons dark rum; 1/2 teaspoon vanilla extract; 3 tablespoons granulated white sugar for the top; 1 tablespoon powdered sugar, optional