Finely chop the onion, and grate the carrots. Sauté the vegetables in vegetable oil until tender. Then refrigerate.
For marinade, add fried vegetables to sour cream, mustard, lemon juice, salt, sugar and spices to taste. Mix well.
Cut the meat into medium slices and mix with mustard-vegetable marinade. Marinate the pork for about 3 hours.
Fry the skewers on charcoal until cooked, you can also cook in the oven or in a pan.
It is very easy and quick to prepare mustard and vegetable marinade for barbecue, such a marinade is great for pork or chicken, the meat is tender, juicy, tasty and moderately sharp, but of course adjust the sharpness for yourself. Lemon juice can not be added, it gives the meat a little acidity that may not be pleasant to everyone. The main thing is not to dry the meat and then your dish will surprise all relatives.