You can locate this guy on the second floor of Falador's Castle.
look on runehq.com
One is the Chef's Guild, in the map, it's right below Grand Exchange (GE), can't miss it! ;)
Harold Dieterle won Top Chef Season 1
You can buy a chef's hat at the Fancy Dress Shop in Southeast Varrock. It is dropped by imps and goblins, also.
We never heard of a new chef being added to the game, only just a Woodcutting Add-on.
Chef's delight (5%); or mature chef's delight (5% + 1 level). Both are only for members.
If you have completed the quest you cannot get another.
Simple, Master both the Cooking and Fishing kills ( Get 99 in both ).
No it does not work that is just a waste of time i tried it it didn't work
you can find sinebeam trees in Daemonheim on runescape
By going to King Harold with both pieces of map and claiming your reward
Harold Dieterle has: Played himself in "Martha" in 2005. Played Himself - VIP Guest in "Top Chef" in 2006. Played himself in "Top Chef" in 2006. Played himself in "Watch What Happens: Live" in 2009. Played himself in "Top Chef Masters" in 2009. Played himself in "Sriracha" in 2013.
If you like RuneScape, then you will find RuneScape a good and popular game.