Jessica Ball, M.S., R.D. Americans typically don't eat enough vegetables. Could frozen vegetables help us meet our needs? Most adults should be eating 2 cups of fruit and 2.5 to 3 cups of vegetables per day (it's recommended that men get a little more veg). Only 9% of adults are getting the recommended amount of vegetables and only 12% get enough fruit. Yikes. A vegetable in any form is better than no vegetable at all. Vegetables are packed with nutrients—vitamins, minerals,