About this recipe: Not only are low-fat lentils richer in protein than most other pulses, but their slightly smoky flavour makes a great base for this tasty nut roast, packed with colourful vegetables and served with a quick tomato sauce.
If you don't have a loaf tin in this size, use an alternative tin with a similar capacity. The mixture should come to a depth of 4–5cm. * The mixture should be warm, not steaming hot when adding the egg. If necessary allow it to cool for a few minutes.