Made from buckwheat flour, these Japanese-style noodles have a nutty taste and are pleasantly chewy.
In a large pot of boiling salted water, cook noodles according to package instructions; drain.
In a large bowl whisk together hoisin, lime juice, and oil; season with salt and pepper. Add noodles, carrots, bell pepper, and scallions; toss.
Thinly slice pork; cut each slice in half crosswise. Add to bowl with noodles; toss well. Serve at room temperature or chilled; garnish with pepper flakes and lime wedges, if desired.