Step 1

In the bowl of your stand mixer, fitted with the paddle attachment; add the cake mix, milk, oil and vanilla extract. Mix on low speed until combined. Then add in the egg whites and mix until incorporated.

Step 2

Divide the cake batter amongst pans, tap each pan on the counter before sliding into your preheated 350° oven for 25 minutes or until a cake tester comes out with only a few crumbs attached.

Step 3

Allow the cakes to cool in the pans for 10 minutes. Run a knife around the edges of each cake before removing the cake and transferring to a cooling rack. Cool completely before frosting.

Step 4

Place one cake onto a cake stand or plate. Top with half of the frosting and spread evenly to the edges of the cake. Place the second layer on top and repeat with the frosting.

Step 5

Top with sprinkles, candles, a banner or whatever your heart desires.