Vanilla Sheet Cake with Malted-Milk-Chocolate Frosting | Recipe Finder

Ingredients

• 3 3/4 sticks unsalted butter, room temperature, plus more for pan
• 3 cups all-purpose flour (spooned and leveled), plus more for pan
• 1 1/2 cups sugar
• 4 large eggs
• 1 tablespoon baking powder
• 1 teaspoon baking soda
• Fine salt
• 1 1/4 cups buttermilk
• 1 1/2 teaspoons pure vanilla extract
• 1/4 cup unsweetened cocoa powder
• 1 1/2 cups malted milk powder
• 1/2 cup boiling water
• 3/4 pound milk chocolate, melted and cooled
• Sprinkles , for serving