Carrots, onions, lettuce, tomatoes, peppers, and radishes are some common vegetables. Carrots belong to the Apiaceae family and are the most important vegetable. Onions are biennial plants in the Amaryllidaceae family. Lettuce is a temperate annual or biennial plant in the Asteraceae family grown for its leaves and commonly eaten raw in salads. Tomatoes are herbaceous nightshade fruits typically eaten raw when red ripe. Peppers and radishes are root vegetables in the Brassicaceae family cultivated worldwide. To make a salad, select fresh greens, wash and dry thoroughly, tear into bites, add light dressing and optional ingredients like nuts or olives.