Salted Caramel Apple Cupcakes Recipe

Name: Salted Caramel Apple Cupcakes Recipe
Ingredients: 1 ½ cups all-purpose flour; 1 teaspoon baking soda; ¼ teaspoon baking powder; ½ teaspoon salt; 1 teaspoon ground cinnamon; ¼ teaspoon allspice; ½ cup vegetable oil; ½ cup brown sugar; ½ cup granulated sugar; 1 large egg; ¼ cup applesauce; ⅓ cup milk; 1 teaspoon vanilla extract; 1 large apple, peeled and shredded (about ½ cup); 1 cup (2 sticks) unsalted butter, softened; ½ cup caramel sauce; ¼ teaspoon salt; ½ teaspoon flaky sea salt; 3 cups powdered sugar