Finely dice the bacon. Peel garlic and cut into thin slices. Peel and finely dice the onion. Fry bacon in a pan without fat until crispy. Add garlic and fry briefly. Take both out. Heat the oil in the bacon fat. Fry the onion briefly. Add lentils, 200 ml water and stock. Bring to the boil, cover and leave to swell for 8-10 minutes
Clean lettuce, cut into 8 slices, wash and drain well. Clean mushrooms, wash if necessary and cut into fine slices
Take the lentils off the stove. Stir in vinegar and bacon. Season with pepper, a little salt and 1 pinch of sugar. Pour the mushrooms over the salad wedges
Drink: cool rosé wine