Switch on the Instant Pot on Sauté mode on regular heat. Add 2 tablespoon of avocado oil.
When it starts displaying hot, add julienned ginger and sliced onions.
Sauté onions for a few minutes until they become soft and translucent.
Now add sliced mushrooms and continue to sauté for a few minutes.
After 5 minutes, switch off the sauté mode, and add 1.5 cups of water and half the quantity of the prepared sauce.
Transfer all the noodles into a crisscross pattern in the inner pot.
Place the Instant Pot lid on and cook for 1 minute on low pressure. Let the pressure release naturally.
Once, pressure is released, open the lid and add chopped bok choy stalks, carrots, peppers, broccoli, tofu, and the remaining sauce.
Put the lid back and cook for 1 minute at low pressure. To avoid overcooking vegetables and losing their texture, quickly release the pressure once cooking time is over.
Take the lid off and carefully fold the spinach and bok choy greens. Cover the pot back and allow the greens to wilt using steam.
Remove the pan, transfer to a bowl, and top it with sesame seeds and sesame seeds and chili flakes oil.