Shoyu Ramen

INGREDIENTS

• Chili oil, toasted sesame oil, and shichimi togarashi (for serving)
• Kosher salt, freshly ground pepper
• 1/2 cup reduced-sodium soy sauce
• 2 pieces dried kombu
• 1/4 cup bonito flakes
• 2 pounds chicken necks, backs, and/or wings
• 2 tablespoons vegetable oil
• 3 toasted nori sheets, torn in half
• 3 large eggs
• 1/2 cup menma (fermented bamboo shoots)
• 1 head of garlic, halved horizontally
• 2 carrots, peeled, cut into pieces
• 6 scallions, thinly sliced
• 2 bunches scallions, chopped
• 1 1" piece ginger, peeled, sliced
• 1 tablespoon mirin
• 6 5-ounce packages fresh thin and wavy ramen noodles (or six 3-ounce packages dried)
• 1 1/2 pounds boneless pork shoulder
• 1 pound pork spareribs
• 2 tablespoons dry sake