Clean the leek, cut into rings, wash thoroughly. Heat oil in a pan. Fry the minced meat for about 6 minutes. Add leek after about 4 minutes. Season with salt and pepper. Stir in yoghurt, bring to the boil and keep warm
Whisk the eggs and season with salt. Heat a pan (24 cm Ø), spread with oil, add the eggs and let them set. Put the omelette on a plate and fill with chopped leek