Nuts, fruits, oatmeal, fruit smoothies and more. These types of food are good for your immune system and for your health as they are nutritious and healthy. Cookies, chips and other types of junk food is not healthy and nutritious and they won't fill you up for the day ahead.
something you actually enjoy and makes you feel full. breakfast should include protein, carbs and some vegetables/fruits. you shouldn’t want more food straight after, that means your breakfast wasn’t filling enough:)