Authentic Shoyu Ramen | Nosh with David

Ingredients

• 2 oz dried kombu (about 2 large pieces)
• 4 qt cold water
• 1 cup soy sauce
• 1/2 cup sake
• 1/2 cup mirin
• 2.5 lb boneless pork shoulder
• Kosher salt and freshly ground black pepper
• Kitchen twine
• 2 tbsp neutral oil
• 1.5 lb pork spareribs
• 1.5 lb chicken wings
• 1 bunch scallions (halved)
• 2 carrots (roughly chopped)
• 1 head garlic (halved crosswise)
• 4- inch piece ginger (sliced)
• 1 cup bonito flakes (katsuobushi)
• 6 large eggs
• 1.5 lb fresh ramen noodles (or 12 oz dried)
• 1/2 cup menma (fermented bamboo shoots)
• 3 sheets nori (halved)
• 4 scallions (thinly sliced)
• Chili oil, sesame oil, and shichimi togarashi for serving