Almost-Famous Chicken Lettuce Wraps

INGREDIENTS

• 1 teaspoon minced peeled ginger
• 1 tablespoon cornstarch
• 1 tablespoon Chinese rice wine or dry sherry
• 4 tablespoons peanut oil
• 3 cloves garlic, minced
• 1 tablespoon low-sodium soy sauce
• 2 tablespoons oyster sauce
• 4 scallions; 2 minced, 2 cut into 1-inch pieces
• Small lettuce leaves, for serving
• 2 bundles cellophane noodles
• Peanut oil, for frying
• 1 teaspoon toasted sesame oil
• 2 teaspoons cornstarch
• 1 1/2 pounds skinless, boneless chicken breasts, diced
• Kosher salt
• 1 tablespoon hoisin sauce
• Soy sauce, chili paste and/or hot mustard, for serving
• 1 large egg white
• 1/2 pound shiitake mushrooms,stemmed and diced
• 1 jalapeno pepper, seeded and minced
• 1/4 teaspoon sugar
• 3/4 cup diced water chestnuts