- Heat the oil in a pan, add chopped celery, onion, and garlic. Stir well and sauté
- Add the thyme and mix. Then add the sliced mushrooms and sauté until caramelized well. Add the sautéed spinach and mix.
- Take out the mushroom mixture on a plate, and use the same pan to add the rolled oats. Toast them until they are nutty and darkened.
- Then add vegetable stock and milk. stir well until no lumps. Turn off the heat and cover for a few minutes, most of the liquid should be absorbed by then.
- Add the mushroom mixture and save some for the garnish. Mix it well.
- Season with salt and pepper for taste. Then add the parmesan cheese, paprika powder, and mixed herbs. Then mix well. Then add grated cheese and mix.
- Finally, take it out in a serving bowl and garnish with the remaining mixture