Beef tenderloin on lettuce

Beef tenderloin on lettuce

4 portions - 1 a serving contains approx. 310 kcal

600 g of beef tenderloin
2 large onions
1 head of lettuce
3-4 medium tomatoes
4 tablespoons of sesame oil or olive oil
lemon juice
1 spoon of sesame
salt, white pepper, marjoram

Cut the tenderloin into strips, sprinkle with pepper and marjoram, sprinkle with lemon juice, mix thoroughly and set aside in the fridge for 10 minutes. Heat oil or olive oil and add sesame seeds. Put the sirloin on the hot frying pan, add salt to the pan and fry on both sides approx 5 minutes. After this time, add the chopped onion, cover and simmer approx 15 minutes. Arrange the washed and dried lettuce and sliced ​​tomatoes on plates. Place the tenderloin with the onion in the middle and pour the sauce from the pan.