Wow I am gobsmacked I actually had a tip for you!
I do the same thing with fresh basil. Stack individual leaves, chiffonade, stuff a quart freezer bag with 4 or 5 handfuls and add olive oil. Smush it good and freeze flat. You can break off and use whatever you want. Both the basil and shishitos will last a year easy frozen.
Wow I am gobsmacked I actually had a tip for you!
It happens.....but not often......chuckle.
You’re 2 for 2 today with helpful tips! I did not know you could freeze basil - I always made pesto & froze it, but you need a lot & it’s a bit of a chore. Next time I trim my basil, it will get frozen!