Baked Banana Shallots Stuffed with Red Chard and Basmati

• 12 large banana shallots
• 50 g (2 oz) unsalted butter

So-called because of their shape, banana shallots are larger and stronger-flavoured than ordinary ones. They are particularly suitable for stuffing – here with a mixture of red chard and my favourite rice, the nutty-flavoured basmati. This dish makes a good vegetarian main course. I like to serve it with spinach lightly bound with cream or with other green vegetables such as broccoli or French