Potato Casserole

• 8 tablespoons olive oil
• 2 medium onions, chopped
• 3 cloves of

Heat the oil in a shallow flameproof casserole and sauté the onions and garlic for 3 or 4 minutes, then stir in the tomatoes. Cook for a couple of minutes, then tip in the potatoes and spices. Season with a shake of salt and pour over the water. Continue to cook gently until the potatoes are tender — about 20 minutes, shaking the pan from time to time to prevent the potatoes from sticking.