Wash vegetables and cress. Halve the sugar snap peas diagonally and cook in boiling salted water for 3 minutes, quench and drain in a sieve. Cut the mushrooms into thin slices. Halve the cherry tomatoes. Arrange everything on plates.
For the dressing, mix vinegar and 4 tablespoons of oil, season with salt, pepper and sugar. Roast the oat flakes in the heated oil (2 tablespoon), place in a bowl and season with salt, pepper and paprika powder. Pour the dressing over the salad and sprinkle the salad with the oatmeal.