From your 'My Hub' page (please see below)
If you go to the 'Menu' icon in the top right...
then select 'Nutrition' from the options
You will see a list of any nutrition plans you have created
Select 'Meals' from the 4 options at the top of your page
Click the actual plan to view it
And to the right of each meal template, you can simply click the 3 horizontal grey dots to 'Edit' or 'Delete'.