Cut half a block of soft tofu and place it in a baking dish.
Finely chop 1/4 onion and add it to the dish.
Finely chop 1 king oyster mushroom and add it.
Slice 1 chicken breast and add it.
For the sauce: mix half a spoon of minced garlic, 1.5 spoons of Sriracha, and half a spoon of allulose.
Pour the prepared sauce over the ingredients.
Add a pinch of salt and 1 egg.
Break the egg yolk and microwave for 5 minutes.