1Simmer 1000g pork bones, 500g chicken carcass, 20g kombu, 50g ginger, and 30g garlic in 4000g water for 4 hours to make broth.
3In a separate pot, combine 200g awase miso, 40g koikuchi soy sauce, 50g mirin, 50g sake, 15g sesame oil, 40g butter, 50g pork fat, 20g ginger, 30g garlic, and 50g scallions.