Funfetti Celebration Cake | McKenzie's Foods

Ingredients

• 450g plain flour
• 1 tsp McKenzie's Baking Powder
• 1 tsp McKenzie's Bi-Carb Soda
• 1 tsp McKenzie's Fine Sea Salt
• 350g unsalted butter, room temperature
• 350g sugar
• 4 large eggs, room temperature
• 2 large egg whites, room temperature
• 3 tsp vanilla extract
• 1 1/2 cups buttermilk, room temperature
• 1 cup rainbow sprinkles