Rocket is an easy-to-grow crop which adds a lovely peppery flavour to salads. The younger leaves are milder, more tender and palatable. Older leaves can also be lightly cooked as a delicious spinach substitute, added to sauces, stir fried or sautéed in olive oil. It's rich in potassium and vitamin C and flourishes in a warm, sunny, position. Even the flowers are edible.Frequent cutting will promote tender new growth