Ingredients

  • 4 small leeks, white and pale green parts only, halved lengthwise, sliced thin crosswise, washed thoroughly, and patted dry (about 1 1/2 cups)
  • 3 tablespoons vegetable oil
  • 1/2 pound fresh shiitake mushrooms, stems discarded and caps sliced
  • 4 scallions, sliced thin
  • 2 tablespoons soy sauce, or to taste
  • 2 teaspoons rice vinegar, or to taste
  • an 8- or 9-ounce package soba (buckwheat noodles)
  • 1/2 pound pea shoots, washed well and spun dry

Method

  • In a large skillet cook leeks in oil over moderately low heat, stirring, until softened, about 10 minutes.
  • Stir mushrooms and cook 5 minutes.
  • Stir in scallions, soy sauce, and vinegar and cook 1 minute.
  • In a kettle of salted boiling water cook noodles 5 minutes or according to package directions.
  • Put pea shoots in a colander and drain cooked noodles over shoots to wilt them.
  • Rinse mixture in cold water and drain well.
  • In a bowl toss noodles with pea shoots and stir in cooked vegetables.
  • Season mixture with salt and pepper and serve at room temperature.