Peel, wash and finely dice the potatoes. Heat 2 tablespoons of oil in a frying pan, add the potatoes and fry for 12-15 minutes while turning. Season with salt and pepper, remove
Place the lentils in a sieve and rinse with cold water. Peel and finely chop the onion. Heat 1 tablespoon of oil in a small pot and fry the onion until transparent. Add the lentils, deglaze with broth, bring to the boil, cover and cook over medium heat for about 8 minutes. Pour into a bowl and let cool off
Clean, wash and pluck the watercress and drain well. Wash and halve the tomatoes. Clean, wash and cut spring onions into rings
For the vinaigrette, mix vinegar, salt, pepper and sugar. Fold in 4 tablespoons of oil. Mix watercress, tomatoes, spring onions and lentils. Pour the vinaigrette over it and mix. Arrange on a plate. Crumble cream cheese over it and sprinkle with pepper. Sprinkle a few potato croutons on top, add the remaining croutons