The Cake Is Not A Lie

The Cake Is Not A Lie is a cooking achievement for baking a, one of the required achievements for the Chef title, from completing the meta-achievement Hail to the Chef.

Namesake
The achievement title is a reference to the video game Portal. Its antagonist supercomputer GLaDOS offers the player cake as an incentive for solving a series of puzzles; however, no cake is ever rewarded. The achievement refers the wall graffiti in-game stating THE CAKE IS A LIE which has become a popular internet meme.

Trivia
Strangely the cake doesn't need any chocolate to be cooked. The Chocolate is a Lie.