It's part of a promotion with Bibigo, a Korean food web site.
The cooking part is real, however.
The rules of the contest require candidates to upload videos of the cooking skills. This is the first prize:
THE WINNER WILL RECEIVE A TRAINING PERIOD OF TWO WEEKS AND WILL TAKE ON THE ROLE OF PSY'S CHEF FOR A PERIOD OF ONE MONTH STARTING FROM JULY 1ST, 2013.
The salary: $40,000. Not bad for one 31 days' work.
Here's the ad: