Combine all of the sauce ingredients in a bowl until well combined. Put aside.
Marinate the tofu in the marinade for 30 minutes
Bring a large pot of water to a boil over high heat and cook the ramen according to the directions on the package. Drain and rinse with cold water, set aside
In the Instant Pot press the sautéed button and add 1 tablespoon of vegetable oil, the chopped onion. Fry until it is caramelized.
Add the tofu with the sauce, the broccoli and the can of baby corn.
Close the cover well, press the manual button and put 1 minute.
Relieve pressure immediately. Serve on ramen noodles
optional: Garnish with coriander, sesame seeds, lime slice and siracha sauce.