Cut tofu into cubes, coat in flour. Air fryer at 185°C for 15 minutes.
Combine soy sauce, ketchup, vegetarian oyster sauce, chilli crisp, white vinegar, black pepper, water, and msg in a pan. When there is 5 mins left on the air fryer heat up the sauce mix.
Add crispy tofu to sauce, toss it until coated and serve.
