Slurp It Up: Taiwanese Beef Noodle Soup

Ingredients

• 2 tablespoons vegetable oil
• 2 pounds beef shank
• 1 pound beef tendons
• 6 large slices fresh ginger
• 9 garlic cloves
• 1 large yellow onion
• 3 small fresh red Thai chilies
• 2 tablespoons sugar
• 4 medium Roma tomatoes
• 2 tablespoons chili bean paste (doubanjiang)
• 1 cup Shaoxing rice wine
• 4 star anise pods
• 1 tablespoon crushed Sichuanese peppercorns
• 1 cup soy sauce
• 1/2 pound leafy greens
• Black vinegar
• 2 pounds Asian wheat noodles
• Fresh cilantro (leaves and stems)
• Scallions (light green and white parts)
• 1 pound fresh mustard greens
• sea salt
• 1 tablespoon distilled white vinegar