From your 'My Hub' page (please see below)
Head to the 9 dots in the top right hand corner and select 'Nutrition'.
Click on 'Meals' from the 4 options at the top of your page
Followed by the 'Create Meal' button at the bottom of your screen.
Give your meal template a name
You can then click the 'Add Food / Drink Item' button
And add any food items to the plan by searching then enter the portion size and click 'Add To Meal'
When all have been added simply hit the 'Save Changes' button.