Fry the tofu in oil until crispy brown. Add soy sauce and fry for another minute. Remove the tofu from the pan and drain on kitchen paper.
In the same pan, sauté the onion, then add the paprika, celery and mushrooms and sauté. Add spinach, garlic, basil and thyme and fry briefly. Add the quinoa, tomatoes, vegetable stock and bay leaf and cook covered for 15-20 minutes until the liquid is absorbed. Remove the bay leaf. Fold in the tofu and heat briefly. To taste.