Southern Italian Vegetable Gratin - Filippo Berio

Ingredients

• 4 tbsp Filippo Berio Olive Oil
• 2 red onions, peeled and finely sliced
• 2 garlic cloves, peeled and finely chopped
• 2 tsp dried oregano
• 750g aubergines, cut into 1cm cubes
• 1 x 400g can Cirio Chopped Tomatoes
• 2 tbsp balsamic vinegar
• 3 tbsp fresh basil
• 100g Parmesan cheese, grated
• 300g courgettes, thinly sliced using a vegetable peeler
• 2 x 100g balls mozzarella cheese, roughly torn
• Filippo Berio Extra Virgin Olive Oil for drizzling