Stir-Fried Soy Bean Sprouts（Suzhou Style）

 Ingredients：
 1 lb (500 g) soy bean sprouts
5 tsp (30 ml) vegetable oil
1 tbsp soy sauce
1 tsp salt, or to taste
1/4 tsp sugar
1/4 MSG (1 g) vinegar  
 
Preparation：
Wash the sprouts well and remove the roots. Drain.

Heat the oil in a wok until the surface ripples. Add the bean sprouts and stir-fry for 2 minutes. Add the soy sauce, salt, and 3 1/2 fl oz (100 ml) water. Cover the wok and simmer for 3 minutes. Uncover and sprinkle with vinegar and sugar. Stir, remove and serve.