One vegetable per head to fill: cabbage leaves, artichokes, tomatoes, onions, zucchini, peppers, etc. depending on the season.
gr. 400 pre-boiled chickpeas, 2 carrots, 1 celery stalk, 1 onion, 1 clove of garlic, a few spoons of tomato puree (or 4 fresh tomatoes), parsley or basil or other herb (even a mixture), 3 tablespoons extra olive oil, salt; for a tastier filling add: a handful of capers, olives and chilli pepper.