Name: Easy Sheet Cake With Chocolate-Cream Cheese Frosting
Yield: 12 servings
Ingredients: 1¾ cups (3½ sticks) unsalted butter, room temperature, divided, plus more for pan; 3¼ cups all-purpose flour, plus more for pan; 2 cups granulated sugar; 1 Tbsp. baking powder; 1¾ tsp. kosher salt, divided; ½ tsp. baking soda; 2 large eggs plus 5 large egg yolks; 1¼ cups buttermilk, room temperature; 2 Tbsp. vegetable oil; 1 Tbsp. plus 1 tsp. vanilla extract, divided; 6 oz. cream cheese, room temperature; 2 cups powdered sugar; ¼ cup unsweetened cocoa powder; Sprinkles (for serving; optional)