Combine all ingredients except tofu add the black salt if using [gives a more eggy taste] mix together.
Crumble the Tofu and add to the marinade let sit for around 30 mins.
Fry off the onions if using.
Cook the button mushrooms in soy sauce if using.
Cook the Tofu mix until hot, serve with any additions and enjoy.
Based on a recipe from lovingitvegan.com