Boost your intake of cancer-fighting cruciferous vegetables with this tasty broccoli and cauliflower soup.

The crispy golden topping in this simple side dish is usually made by frying the breadcrumbs in a generous quantity of butter. This version of cauliflower with crispy crumbs uses a modest portion of olive oil and fresh herbs to flavour the topping.

Orange cauliflower — a natural variation — has up to 25 more beta-carotene than white cauliflower, and tastes great in a simple mash.