sicilian vegetable casserole

Ingredients

• 4 potatoes, cut into small dice
• 2 yellow peppers, cut into small dice
• 2 red peppers, cut into small dice
• 2 aubergine, cut into small dice
• 300g canned whole peeled tomatoes
• 1 onion, thinly sliced
• extra virgin olive oil, as needed
• salt and pepper
• mint leaves for garnish
• basil leaves for garnish