To Prep
Remove veins from the prawns. Snip off pointed ends on the heads and tails, then trim off the legs.
Rinse and pat dry.
To Cook
Bring a pot of water to boil. Add spring onions, ginger slices and all Seasoning ingredients. Let it boil for 30 secs.
Add in the prawns. Remove once the prawns turn red.
Drain well and serve on a plate. Garnish with coriander and spring onion. Serve with garlic wasabi sauce (optional).