Start by consuming an entire cake. Not just any cake, but the one you're thinking about right now. Don't question why; just do it.
Then, take a picture with the cake. This is for the memories, and also for the cake's Instagram account.
Next, contemplate the meaninglessness of your existence while staring at the cake's empty plate. This will prepare you for the existential dread that follows.
Proceed to Step 2: Question the Cake
Now that the cake is gone, you must confront the existential horror of its disappearance. Ask yourself, "What does it mean to eat a cake?" "Is it merely a fleeting pleasure, or does it hold the key to ultimate reality?" "Is it a metaphor for the futility of human existence, or just a good excuse to get out of work?"