For the Beef:

• 1/2 pound flank or skirt steak, sliced thin for stir-frying
• 1/4 teaspoon salt
• 1/4 teaspoon sugar
• 1/8 teaspoon ground black pepper
• 1/2 teaspoon Shaoxing wine
• 1/2 teaspoon light soy sauce
• 1 teaspoon oil
• 1/2 teaspoon cornstarch

For the Sauce:

• 1 tablespoon sesame oil
• 2 teaspoons light soy sauce
• 2 teaspoons dark soy sauce
• 1 tablespoon oyster sauce
• 1/4 teaspoon salt
• 1/4 teaspoon sugar
• 1 teaspoon Shaoxing wine
• 1 tablespoon water

For the Noodles:

• Kosher salt
• 1 pound fresh lo mein noodles
• 4 tablespoons vegetable oil
• 1/2 pound broccoli, cut into bite-sized florets
• 3 medium cloves garlic, finely minced (about 1 tablespoon)