Tomato, Courgette, Tarragon, and Reduced Fat Cheese Gratin -

Ingredients

• 2 tbsp olive oil
• 2 onions, peeled, quartered and thinly sliced
• 2 garlic cloves, peeled and chopped
• 3 courgettes, about 450g, cut into 5mm slices
• ground black pepper
• 300g ripe plum tomatoes cut into 5mm slices
• 50g niscoise olives, pitted
• 3 stems tarragon, leaves stripped and roughly chopped
• 50g breadcrumbs
• 110g reduced fat hard cheese, finely grated