Ingredients (for 5 servings):
500 grams of potatoes, 600 grams of eggplant (aubergine), 2 large tomatoes,
1 tablespoon of tomato puree, 2 large white onions, 3 green onions, 3 bay leaves,
2 green peppers, 2 red sweet peppers, 3 cloves of garlic, pinch of dry coriander,
pinch of red ground pepper, pinch of black ground pepper, a pinch of salt and
50 grams of oil.