Place the Sichuan peppercorns in a dry frying pan over medium heat and toast for 1-2 minutes until fragrant.
Transfer to a pestle and mortar and grind to a coarse powder.
Step 2: Cook the Greens
Bring a large pan of water to the boil.
Blanch the pak choi for 1 minute, then remove with tongs and set aside.
Step 3: Cook the Noodles
Cook the noodles according to the packet instructions.
Before draining, reserve 3 tablespoons of the cooking water.
Drain the noodles.
Step 4: Make the Sauce
In a large mixing bowl combine the Mala Tahini Sauce ingredients
Whisk until smooth and glossy.
Step 5: Assemble
Add the hot noodles to the bowl.
Toss thoroughly until every strand is coated in the sauce.
Step 6: Finish and Serve
Divide between bowls and top with: 2 spring onions finely sliced, 2 tbsp roasted peanuts crushed, 1 tbsp toasted sesame seeds, 2 sheets nori torn into small pieces
Finish with an extra drizzle of chilli oil for maximum mala intensity.