Eggplant and Avocado Tart

• 3 eggplants, 8-cm in diameter
• 2 large avocados
• 150 ml good quality olive oil

Cut half the eggplant into 1-cm slices and the rest into 2-cm cubes. Salt the slices and put to one side. Heat half the oil in a frying pan over a medium flame, soften the onion and garlic and add the cubed eggplant, thyme, bay leaf and white wine, and one chopped tomato. Cover and simmer until tender. Remove the lid, increase the heat and reduce any remaining liquid so that it just coats the e