Scatty, fast-paced banter with his counterpart makes up most of his dialogue and a wacky voice is needed. Line count, less than 100. 
Just like the Dragonborn, he was once an adventurer. A travelling cook in fact. Then he got into skooma related trouble, joined a Khajiit caravan, met Sheogorath and ended up a crazy chef with a cheese obsession and the speech patterns of a Khajiit. He has a vendetta against sweetrolls and his fellow cook, Blacwin. The grand hunt celebrating Caels 18th year was interrupted by a self-appointed annihilator of poorly-baked sweetrolls whod eradicated the snacking guard patrol Caels hunters were ambushing single-handedly. Naked. None of them wanted to do away with such an impressive fighter and yet he was truly too mad to be left free. So with the promise of cooking utensils, they made him one of their own. Of course none of them expected his stews to be a rivalry to their current cooks. Cael will never say it but Gourm is his favourite cook. Those Honey Nut Treats of his just hit the sweet spot