Look for a firm but not woody parsnip; you should not be able to bend it. A staple of my childhood, the rutabaga was originally a cross between a cabbage and a turnip. You can roast them ...

Take parsnips and turnips, for example. These are pretty similarly named, so they must be pretty close to each other, right? Nope! You can certainly be forgiven for confusing turnips and parsnips ...