The Good and Permissible
Generally, every food and drink is permissible unless it is prohibited by Allah or His Messenger, may Allah praise him. What is halal is much more than what has been madeharam, and thus discussion is often limited to what is haram. All vegetables, fruits, lentils and grains are permissible, and nothing has been explicitly forbidden in the Quran in their regards.
As for meat, all seafood has been made permissible, as are common meats like beef, chicken, and lamb. There is such a large variety of foods made permissible in Islam that it would be impossible to mention them all in this article. Thus, as is customarily done, we will mention the restrictions placed upon diet by Islam.