Minion Birthday Cake

It's this adorable minion's birthday today, you know, and he's invited over all his minion friends and evil Gru, himself, to his lovely birthday party. Since there's no birthday party without a yummy birthday cake, too, obviously, she's relying on your... skills as a party chef, you know! So, respond to the challenge of baking a finger-licking good cake for this sweetie here! First, put together all the indicated ingredients for preparing the batter, mixing them through and through by using that hand mixer put at your disposal, then, once you've baked the super cake's fluffy layers, go ahead and prepare the cake's creamy filling, too! Next...