Old-Fashioned Apple Cake with Brown Sugar Frosting Recipe | King Arthur Baking

Ingredients

• 2 1/3 cups (280g) King Arthur Unbleached All-Purpose Flour
• 1 2/3 cups (330g) granulated sugar
• 2 teaspoons baking soda
• 3/4 teaspoon table salt
• 2 large eggs, at room temperature
• 8 tablespoons (113g) unsalted butter, softened
• 4 cups (425g) peeled, cored, finely chopped apple (1/4" to 1/2" dice), from about 3 to 4 medium apples*
• 2 tablespoons (43g) boiled cider, optional
• 1 cup (113g) walnuts or pecans, toasted and diced
• 2 1/4 cups (255g) confectioners' sugar
• 7 tablespoons (99g) unsalted butter
• 2/3 cup (142g) light brown sugar or dark brown sugar, packed
• 1/4 teaspoon table salt
• 2 tablespoons (28g) milk
• 2 tablespoons (43g) boiled cider*
• 3/4 teaspoon King Arthur Pure Vanilla Extract