Cut the leek into thin strips, after having cut the green leaves and rinsed the vegetables well
Grate apples with a rösti grater
Mixing fruits and vegetables
Prepare a sauce by mixing the yogurt, mayonnaise, vinegar and oil. Add salt and pepper to taste.
Add the sauce to the vegetables, mix well and let stand in a cool place for at least 30 minutes to "tire out" the fibers and make it easier to absorb for delicate transits.