2 tablespoons light soy sauce
1 tablespoon hoisin sauce
2 tablespoons clear rice vinegar
1/2 teaspoon salt
1/2 teaspoon sugar
3 tablespoons vegetable oil
2 cloves garlic, minced
2 teaspoons minced fresh ginger
1/3 cup minced red onion
1 cup chopped canned button mushrooms
1/2 cup water chestnuts, minced
1 pound boneless, skinless chicken breasts, minced
8 to 10 inner leaves iceberg lettuce, edges trimmed and chilled
Handful of fresh cilantro leaves, coarsely chopped
1/4 cup unsalted roasted cashews, coarsely chopped