Fall Festival Cinnamon Roll Cake | Recipe Reader

Ingredients

• ***For the cake:***
• 3/4 cup unsalted butter, room temperature
• 1 1/2 cups granulated sugar
• 3/4 cup sour cream, room temperature
• 2 teaspoons vanilla
• 6 large egg whites
• 2 1/2 cups all-purpose flour
• 4 teaspoons baking powder
• 1 teaspoon ground cinnamon
• 1/2 teaspoon kosher salt
• 3/4 cup milk, room temperature
• 1/4 cup water, room temperature
• ***For the cinnamon frosting:***
• 1 1/2 cups salted butter, room temperature
• 1 1/2 cups vegetable shortening
• 12 cups powdered sugar
• 1 teaspoon vanilla
• 1 teaspoon ground cinnamon, plus more, to taste, for topping
• 1/4 milk
• ***For the cinnamon-sugar glaze:***
• 5 tablespoons powdered sugar
• 2 tablespoons light brown sugar, packed
• 1 tablespoon ground cinnamon
• 2 tablespoons water