Cook the cauliflower in salt and lemon water for about 30 minutes.
Cut the peppers, onions and peppers into small cubes and sauté in the oil until translucent. Remove the vegetables, add the tartare and stir-fry. Add tomatoes, broth and paprika powder to the meat and cook over a low heat for about 15 minutes.
Stir in sour cream, add vegetables, sprinkle with chopped parsley and season with salt and pepper. Quarter the cauliflower and arrange on plates with the minced meat sauce.