Perhaps you will be interested
To complete this achievement you might cook at least half of the listed dishes, for which you need to get the required level of culinary. Also you need to up the level of fishing - hunting pretty much fish and shellfish. Other half dishes can be bought by different traders in all locations of Cataclysm. We can handle it for you. ReinwinBoost’s pro-players work for EU and US players.
Here you can buy Cataclysmically Delicious for EU or US Servers.
Also you'll get guide for receiving Cataclysmically Delicious