A tangle of naked wheat noodles topped with minced pork seems like a simple dish—until it’s tossed with the red pool of sesame and chile oil that hides underneath, coating it with glossy heat. These noodles are emblematic of the Rainier Avenue–adjacent restaurant itself: Outside, Little Chengdu is a fairly nondescript, blocky building, but inside, spicy dumplings and a host of Sichuan-peppered dishes reveal big flavors.