Vegetariano Torta del Pastore (Vegetarian Shepherd's Pie - italian stylin')

This is shepherd's pie with a twist; think of it as Carluccio meets English peasant from the 18th Century. Italian, but slightly hipster. So not Armani at all. It oozes Italian flavourings, is rich, red and moist at the bottom, but soft, creamy and fluffy with a crisp on top. What's not to like on a wintery English evening? It freezes well and the filling is latin enough to style with pasta. And you can add a few gloops of red wine in there too. This recipe is one I've been making for years and years. It's evolved over time and actually I now use fewer ingredients. The key idea is to keep a strong tomato flavour, but you can also add courgettes or aubergine - as these really soak up and hold the sweet, saucy garlicky flavour. I used to watch my Mum make shepherds pie, and also spaghetti bolognese. This is a kind of vegetarian melée of both recipes. My Mum actually used to also add a pack of Knorr minestrone soup to her recipes and I think tha...