
These Sichuan dan dan noodles are bold, nutty, spicy, and deeply savory, with chewy noodles tossed in chili oil sesame sauce. Crispy seasoned pork, preserved mustard greens, scallions, and peanuts make every bowl rich and aromatic.
Make the chili oil. Add the Sichuan peppercorns, cinnamon stick, star anise, and neutral oil to a small saucepan. Warm over medium-low heat until the oil reaches about 325°F, then turn off the heat and let the spices infuse for 6-7 minutes.
Use a slotted spoon to remove and discard the whole spices. Stir the crushed red pepper flakes into the hot oil and let them steep until fragrant. Cool completely, then reserve 1/2 cup for the noodles and refrigerate any extra in a clean glass jar.
Cook the pork topping. Heat a wok or skillet over medium heat and add a small spoonful of the chili oil or neutral oil. Add the ground pork and cook, breaking it up, until browned and no longer pink.
Stir in the sweet bean sauce or hoisin sauce, Shaoxing wine, dark soy sauce, and five-spice powder. Cook until the pork is glossy and the liquid has mostly evaporated, then transfer to a bowl.
In the same wok, add the Sui Mi Ya Cai and stir-fry for 2-3 minutes, until aromatic and slightly drier. Set it aside separately or mix it with the cooked pork.
Make the sauce by whisking together the sesame paste, soy sauce, sugar, Sichuan peppercorn powder, minced garlic, 1/2 cup prepared chili oil, and hot noodle cooking water. Adjust with a little more hot water if the sauce is too thick.
Cook the noodles according to the package directions until tender but still springy. Before draining, save a little extra noodle cooking water. Blanch the leafy greens briefly in the same water, then drain.
Divide the sauce among serving bowls. Add the hot noodles and greens, then top with the pork mixture and Sui Mi Ya Cai.
Finish with chopped peanuts and scallions. Toss each bowl thoroughly before eating so the noodles are evenly coated in the spicy sesame sauce.
Chinese sesame paste gives the most authentic roasted flavor, but tahini can be used in a pinch. Sui Mi Ya Cai is salty and intense, so taste before adding extra soy sauce. Keep the chili oil over gentle heat while infusing; overheated chili flakes can turn bitter. Leftover chili oil keeps well refrigerated for up to 1 month.