I just noticed that I confused pea with bean. That in the picture is a bean.. My bad.
Anyway:
Its a sup species of Vica Faba I don't know the english word for it. It's a bean that you seed in late autumn and can harvest earlier than most beans.
To be honest, its the first time for me growing them. So I'll still have that experience.
But I heard that you can "just pop them open" when they're ripe. But that maybe also depends on the specific species.
I plan to can them, use them as side dished (just cooked and with some herbs and spices) or in different chilli.