Daging Babi Panggang Jepang

Bahan-bahan (4 porsi)

• 2 ribs celery
• 2 carrots
• ½ onion
• 4 cloves garlic
• 2 lb boneless pork sirloin ((or center-cut pork loin; at room temperature))
• ½ tsp Diamond Crystal kosher salt
• freshly ground black pepper
• 2 Tbsp extra virgin olive oil
• 4 Tbsp sake ((I use Sho Chiku Bai))
• 4 Tbsp mirin ((I use Takara Mirin))
• 1 tsp brown sugar
• 3 Tbsp soy sauce ((Use GF soy sauce for gluten-free))