I do the same as @veedems already posted; name the list whatever you want and tell Siri to “add X to my Y list”. Also works for a to-do list etc. One benefit of using Reminders over Notes is that you can pull a Reminders list up on your Apple Watch, if you have one. That way you can have your shopping list on your wrist in the store instead of pulling out your phone.
I do the same as @veedems already posted; name the list whatever you want and tell Siri to “add X to my Y list”. Also works for a to-do list etc. One benefit of using Reminders over Notes is that you can pull a Reminders list up on your Apple Watch, if you have one. That way you can have your shopping list on your wrist in the store instead of pulling out your phone.
Great tip about the watch option. Thank you!