Celebration Confetti Cake Recipe: Easy Birthday Fun!

Ingredients

• 2 1/2 cups (300g) all-purpose flour
• 1 tbsp (12g) baking powder
• 1/2 tsp (3g) baking soda
• 1/2 tsp (3g) salt
• 1 cup (227g) unsalted butter, softened
• 1 3/4 cups (350g) granulated sugar
• 3 large eggs
• 1 tbsp pure vanilla extract
• 1 1/4 cups (300ml) buttermilk
• 1/2 cup (60g) rainbow sprinkles, preferably jimmies
• 1 cup (227g) unsalted butter, softened (for buttercream)
• 3 cups (360g) powdered sugar, sifted (for buttercream)
• 1/4 cup (60ml) milk or heavy cream (for buttercream)
• 1 tbsp pure vanilla extract (for buttercream)
• Pinch of salt (for buttercream)
• Extra sprinkles, for decoration (for buttercream)