Crowd Favorite Funfetti Sheet Cake • Kroll's Korner

Ingredients

• 3 1/2 cups cake flour*, spooned and leveled (or all purpose flour, see notes)
• 2 tsp. baking powder
• 1 tsp. baking soda
• 1 tsp. salt
• 1 cup unsalted butter, room temperature
• 2 cups granulated sugar
• 4 large eggs, room temperature
• 2 tsp. vanilla extract
• 2 tsp. cake batter extract
• 1/2 heaping cup full-fat sour cream, room temperature
• 1 cup whole milk, room temperature
• 3/4 cup - 1 cup rainbow jimmies sprinkles, plus more for decoration
• 8 oz. full-fat cream cheese, softened
• 1/2 cup unsalted butter, softened
• 3-4 cups powdered sugar, sifted
• 2-3 Tbsp. heavy cream or milk
• 2 tsp. vanilla bean paste
• 1 tsp. cake batter extract
• pinch of salt