First off, you need minced pork meat. Usually shoulder meat, but any will probably work just as fine (just don't get any super thick/fatty part).
You will also need: leek, tomatoes, cabbage, any kind of stock (veggie stock seems to work the best), salt, pepper.
Now, take the white parts of leek, finely chop and saute them a little. In the meantime, boil rice. You will use approx. 1/4 part rice per 1 part meat.
Now, add both the rice and leek to the minced meat and season with salt and pepper. In the very traditional recipes you might not find leek, but its kinda like a family secret thing - it adds moisture to the usually dry insides of golabki and makes them nice and succulent.