1 small yellow courgette
陆 small fennel bulb, herby tops reserved
1 garlic clove, peeled, cut in half
陆 lemon, juice only
small bunch fresh mint, torn into pieces
陆 orange, skin removed, thinly sliced into rounds
sea salt and freshly ground black pepper
3 tbsp extra virgin olive oil
125g/4陆oz buffalo mozzarella
1 thick slice sourdough bread