Mix the flour with 50ml of water, a pinch of sea salt and 1 tablespoon of olive oil, then knead until it just comes together as a smooth dough (don’t overwork it).
Cover and put aside.
On a board, peel and finely slice the garlic.
Peel and finely matchstick the ginger.
Finely chop the coriander stalks (reserving the leaves).
Pile the prawns on top, then chop and mix it all into a rough paste.
Divide into eight and shape into balls, then divide and shape the dough into eight dumplings.
Snap the woody ends off the asparagus, then chop each stalk into three.