The food group recommended to make up the largest portion of a balanced diet is fruits and vegetables. They are rich in essential vitamins, minerals, fiber, and antioxidants that promote overall health and well-being. Consuming a variety of colorful fruits and vegetables can help reduce the risk of chronic diseases and maintain optimal body function. A balanced plate is generally recommended to consist of at least half of the daily intake from these foods, emphasizing their importance for nutrients and low-calorie density, making them an excellent choice for a healthy lifestyle.