Hey Callum, welcome to the forum! Great to have you here after having used Huel a good while! Black Edition is great, had my Strawberries and Cream one this morning!
There’s actually already a ton of reviews on the forum. It’s worth using the search bar up at the top and having a look around.
This thread is a good place to start.
Protein will really help with this, I do the same to have a better snack. I actually sometimes have one after dinner if I’m still peckish or a bit low on protein during the day. Perfect for a nutritious filling snack 