Pancit Canton (Filipino Stir-Fried Noodles)

Ingredients

• 8 ounces dried Canton noodles
• 1 pound large, head-on shrimp
• 5 cups cold water
• 12 ounces lap cheong (Chinese sausage), thinly sliced on the bias
• 1 tablespoon vegetable oil
• 1 pound fresh shiitake mushrooms, thinly sliced
• 8 cloves garlic, minced
• 1 medium yellow onion, chopped
• 1/2 small green cabbage, shredded
• 2 medium carrots, peeled and grated on the large holes of a box grater
• 1 pound snow peas, ends trimmed and strings removed
• 1/4 cup fish sauce
• 2 tablespoons hoisin sauce
• 2 tablespoons oyster sauce
• 2 tablespoons soy sauce
• 2 tablespoons sweet soy sauce
• 3 tablespoons fresh lime juice
• 4 whole scallions, sliced
• lime wedges, for serving