Step 1
Boil the noodles according to package instructions. Drain and set aside.

Step 2
In a bowl, combine peanut butter, chili oil, rice vinegar, dark soy sauce, minced garlic, and chili flakes (if using). Add a little water to reach your desired sauce thickness. Mix well until smooth.

Step 3
In a pan, heat the neutral oil until hot. Add sliced spring onions and sesame seeds. Fry briefly until fragrant.

Step 4
Add the cooked noodles to the pan with the aromatics. Pour in the peanut butter sauce and toss everything together until the noodles are evenly coated.

Step 5
Plate the noodles and garnish with sliced cucumber. Sprinkle extra sesame seeds or spring onions if desired. Serve immediately.