Chicken Chow Mein

Name: Chicken Chow Mein
Ingredients: 3 ounces dried soba noodles (fresh or produce dept) or 3 ounces other chinese noodles (fresh or produce dept); 1⁄4 cup peanut oil; 2 tablespoons peanut oil; kosher salt, to taste; 1⁄2 cup chicken broth, homemade or 1⁄2 cup canned low sodium chicken broth; 3 tablespoons oyster sauce; 1 tablespoon dark soy sauce; dark soy sauce, to serve; 2 teaspoons cornstarch; 1 teaspoon sugar; 2 boneless skinless chicken breasts, cut into thin 1-inch pieces; 1 teaspoon dark sesame oil; 1 tablespoon minced peeled fresh ginger; 3 garlic cloves, minced; 2 ounces fresh snow peas, trimmed; 1 scallion, white & green, minced; freshly ground coarse black pepper, to taste; 1⁄2 medium yellow onion, thinly sliced; 1 stalk celery, thinly sliced on diagonal; 4 ounces mushrooms, thinly sliced; 1⁄3 cup thinly sliced canned water chestnut; 8 -10 ounces bean sprouts; 3⁄4 cup cashews, sliced; 3 cups cooked white rice