If "New Task" is created under any ToDoist's "Project", then add a "Checklist" note in Evernote. Includes Date/Time and Project Name in EN Title, and link back to TD note in the note. (Tip: Make sure your TD 'label' matches your EN 'tag'.)
If
New task created with label
This Trigger fires every time you create a new task with a label you specify.
Then
Append a to-do to note
This Action will append a to-do checkbox to a note as determined by its title and notebook. Once a note’s size reaches 2MB a new note will be created.
Explore more great ways to automate Evernote and Todoist