Southern Gansu : Yak meat, butter, yogurt. In traveler's places, they often have scrambled eggs with tomatoes. Beware of local rice whiskey.
The most famous food not just in Gansu, but all around China is å °å·æé¢ Lanzhou lamian, noodles, everywhere in Gansu from Â¥2.
Another choice is lamb ç¾èï¼ yangrou.
