In addition to being a great place to look for your notes, you can also use Spotlight to locate your frequently used Siri Shortcuts for North. You can create a new note by simply tapping on your shortcut from Spotlight.
Step 1
Search for your custom Siri Shortcut in Spotlight

Step 2
Tap on your shortcut to launch it right there. You can enter your new note text in the input box.

Step 3
Tap Done once finished writing or cancel to go back.

Confirmation
Once completed, Siri would you present a quick preview of your new note.
