You can click the "+" button on the bottom of the "Nutrition" tab in order to add a food item. Make sure you have the correct meal selected (Breakfast, AM Snack, etc).
Nutrition Tab
On the "+" screen, you will be able to:
- add a food from the Favorites section
- copy a previous meal in the My Meals section
- select a saved food in the My Foods section
- select a saved recipe in the My Recipes section
- share a food or meal with a group in the Group section
- track water
- create foods and recipes