Peel and chop the ginger and garlic. Wash the coriander and chop coarsely with the tender stems. Wash lemongrass, cut lengthwise and remove the outer leaves. Coarsely chop the lemon grass. Coarsely puree the prepared ingredients together with coconut milk, 1 pinch of sugar, 1⁄2 tsp. salt and curry paste in a hand blender.
Rinse the shrimps, dab dry and remove the dark gut if necessary. Mix with the coconut paste and let it steep for about 5 minutes.
Put 3 prawns on 1 skewer each. Heat the oil in a coated pan. Fry the prawns in it over a high heat for 3-4 minutes. Drizzle with lime juice.