Stir-fry onions, then add mushrooms, soy milk, cauliflower rice, salt, and pepper.
Finely chop the onions and mushrooms.
Heat olive oil in a pan and sauté the onions.
Add mushrooms and sauté together.
Add rice and stir-fry for 1–2 minutes.
Gradually pour in soy milk several times, stirring and simmering until the rice is cooked.
Season with salt and pepper to taste.
Serve the finished risotto in a bowl.