Japchae - Korean Noodles

Bahan-bahan (5 porsi)

• 600 g /1.2lb bone-in beef short ribs *RECOMMENDED* ((300g/10oz boneless))
• 300 g /10 oz boneless beef short ribs *RECOMMENDED*
• 300 g /10oz scotch fillet / boneless rib eye (or other steak, recommend tenderising (Note 1))
• 2 tsp soy sauce (, all-purpose or light soy (Note 2))
• 2 tsp white sugar
• 2 tsp finely minced garlic
• 1/2 tsp black pepper
• 1/4 cup soy sauce (, all-purpose or light soy (Note 2))
• 2 tsp white sugar
• 1/2 tsp finely minced garlic
• 1 1/2 tbsp sesame oil
• 1/2 tsp cooking/kosher salt
• 1/2 tsp black pepper
• 250 g / 8oz sweet potato noodles ((dangmyeon), dried (Note 3))
• 4 tbsp vegetable oil ((or other plain oil))
• 1 tsp cooking/kosher salt (, divided)
• 1 onion (, peeled, halved, sliced into 6mm/1/4" wedges)
• 3 g reen onion stems (, cut into 5cm / 2" lengths, white & green parts separated)
• 200 g /7oz fresh shiitake mushrooms (, stem removed, cut into 5mm/1/5" slices (Note 4))
• 2 carrots (, peeled, cut into 3mm / 1/8" batons)
• 1 red capsicum/bell pepper (, cut into 0.5cm / 1/5" slices)
• 4 1/2 cups (tightly packed) baby spinach
• 2 tbsp white sesame seeds