Name: Classic Yellow Cake with Creamy Chocolate Frosting
Prep time: 25 min
Cook time: 25 min
Total time: 1 h 50 min
Yield: 9" layer cake
Ingredients: 2 and 1/2 cups cake flour; 3 and 1/2 teaspoons baking powder; 1/2 teaspoon baking soda; 3/4 teaspoon salt; 2 sticks (8 ounces) unsalted butter, at room temperature; 1 and 1/2 cups granulated sugar; 3 large eggs, at room temperature; 2 large egg yolks, at room temperature; 2 and 1/2 teaspoons vanilla extract; 1 and 1/3 cups whole milk; 1 teaspoon lemon juice; 3 sticks (12 ounces) unsalted butter, at room temperature; 3 and 1/2 cups confectioners' sugar, sifted, more if needed; 10 ounces dark chocolate, melted and cooled until tepid