First prepare the vegetable filling. To do this, finely chop the onion and garlic, and grate the carrots and beets on a coarse grater. Fry everything until soft, at the end add a spoonful of tomato sauce. Season with salt and pepper and add a pinch of sugar. Leave to cool.
Cut the pork into thin slices equal to the desired number of rolls.
Beat the meat layer well, season with salt, pepper and sprinkle with vegetable oil.