鬼鸡 ('Ghost chicken') is an amazing dish that never disappoints, you can find a recipe for it here on gokunming. But it's 鬼火怒 ('Fireghost fury') that truly separates the vikings from the wimps. Any Dai fish dish is also generally a treat; the ones that are dry, cut open and spread out are much easier to eat than the ones that are cooked in a pot with sauce, as there's a loooot of bone on those. Occasionally you can also find a kind of dry sausage that's very tasty and sooo savory, but it's more common in Wa cuisine I believe. They have this sausage in the some-southern-Yunnan-city-I-have-forgotten-the-name-of-restaurant on the same road as Slice of Heaven, but closer to the intersection with Xuefu lu.
This is the best value for the money Dai restaurant that I've found in Kunming, it's amazingly cheap and absolutely delicious: kunmingsshabbiest.blog.se/[...]
It's an a back alley in the 麻园 area, down some winding alleys to your right if you're facing the gate to the old art college, and have old Laowo bar in your back to the left.