This peppery leaf is also known as arugula. It’s a dark green salad vegetable, popular in Mediterranean countries. The leaves have a slightly bitter, peppery flavour and are gathered when they’re young. Rocket makes a delicious addition to salads but can also be used to make soups and to replace basil in pesto. A bed of rocket is a good base on which to serve grilled poultry or fish. Rocket leaves or popularly known as arugula or salad rocket is nutritious green-leafy vegetable. The young tender leaves carry a bitter peppery flavour that makes it mostly a salad vegetable. Rocket leaves have a sweet, nutty flavour when they’re young but start developing a strong spicy flavour as they mature