Sichuan Pork Stir-Fry
1 (1/2 inch) piece fresh ginger, sliced 1 pinch salt 1 tablespoon finely chopped pickled red chile… 1 teaspoon cornstarch 1 teaspoon rice wine (sake) 2 cloves garlic, sliced 2 tablespoons chicken stock 2 teaspoons chili bean sauce ((toban djan), s… 2 teaspoons soy sauce 2 teaspoons water 3 spring onions, diced 3 ½ tablespoons vegetable oil 6 leaves stem lettuce (celtuce), cut into 1/2… ¼ teaspoon salt ½ pound lean pork, cut into 1/2-inch cubes ½ teaspoon Chinese black vinegar ½ teaspoon white sugar