Funfetti Cheesecake Layer Cake with Sprinkles and Cream Cheese Frosting

Ingredients

• 16 oz cream cheese, at room temperature
• 2/3 cup granulated sugar
• 1 1/2 tablespoons all-purpose flour
• 2 large eggs
• 1 large egg yolk
• 2 tablespoons sour cream
• 1 teaspoon vanilla extract
• 2 cups all-purpose flour
• 1 tablespoon baking powder
• 1/4 teaspoon salt
• 10 tablespoons unsalted butter, at room temperature
• 1 1/3 cups granulated sugar
• 1 large egg
• 3 large egg whites
• 2/3 cup whole milk
• 1/3 cup sour cream
• 1 1/2 teaspoons vanilla extract
• 1/2 teaspoon almond extract
• 2/3 cup rainbow sprinkles
• 1 cup unsalted butter, at room temperature
• 1 tablespoon vanilla extract
• 3 to 3 1/2 cups powdered sugar
• 1/2 cup rainbow sprinkles
• Additional rainbow sprinkles, for decoration