Marinate the beef – Cut the beef into small, bite-sized pieces. Marinade with soy sauce and salt for at least 30 minutes or overnight.
Gather and cut the vegetables – Gather the vegetables and aromatics. Cut the carrots and daikon into bite-sized chunks. Mince the garlic, onion, and ginger.
Sauté the aromatics and paste – In the instant pot, spray cooking spray and sauté the garlic, onion, and ginger until golden, about 1-2 minutes.
Add the beef, tomato paste, and spices – Add in the beef and brown all the sides. Add in the tomato paste, star anise, bay leaf, lemongrass, paprika, and 5 spice. Cook for about 1-2 minutes, or until toasted.
Pressure Cook – Turn off sauté mode, add in the stock, carrots, and daikon, and cook on high pressure for about 45 minutes. Let it release natural pressure for about 10 minutes.
Cook the noodles – While the stew is cooking, prepare the egg noodles and set them aside.
Season to taste – Add the fish sauce and sugar to the stew. Taste and adjust if needed.
Serve and enjoy – Add the noodles into the stew, garnish with cilantro and chili flakes, and enjoy!