Remove the sinewy parts of the meat. Chop the meat and fat finely with a cleaver. Add salt and pepper to taste and knead it in well. Divide into six portions and fix each portion on a skewer by squashing the skewer into the minced meat in the palm of your hand.
Grill the tomatoes until tender. Crush with a pestle in a bowl to make a pulp, remove the skins, and transfer to a serving dish