Peel and finely chop the garlic. Clean and wash spring onion and mushrooms. Cut spring onion into fine rings, mushrooms into slices
Heat the oil in a coated pan. Fry everything in it for about 5 minutes while turning. Deglaze with 1/8 l water, bring to the boil and stir in the stock. Add lentils and thyme and cook covered for 8-10 minutes
Season the lentils with vinegar, pepper, sugar and possibly salt. Leave to stand for about 30 minutes. Cut the cheese into thin slices and arrange on the lentil salad. Tastes lukewarm and cold