Preheat oven to 180c fan
Place the beans, fennel and onion onto a large baking tray
Drizzle generously with olive oil, salt, pepper and add the thyme
Mix well and spread evenly across the tray
Pour the milk all over, as well as a big squeeze of lemon
Top the whole tray with LOADS of grated Parmesan
In a small bowl, mix the breadcrumbs with a little olive oil then scatter all over
Place in the oven for about 45 mins to an hour or until golden, bubbling and crispy on top
Serve with another drizzle of olive oil, squeeze of lemon and a crisp side salad
