Cut the courgette into thin slices. Heat the olive oil in a frying pan and slightly brown the courgette. Add the vegetable stock cube mixed with 50 ml of water. Remove from the heat and put to one side.
In a gratin dish, alternate the courgette slices, aubergine and tomato.
Mix the crushed garlic cloves with the olive oil. Pour the mixture over the vegetables.
Cut the mozzarella into even slices and arrange on top of the vegetables.
Season and sprinkle with some of the Herbes de Provence.
Compact, with its 21 cm (8.25in.) size and square shape, the Appolia ceramic dish from Peugeot is a must have to enjoy the benefits of healthy, tasty day to day oven cooking.