For the salad, wash the cucumber, cut in half lengthwise, remove seeds and cut into cubes. Peel onion, cut into fine strips or rings. Wash basil, shake dry and pluck off leaves. Mix cucumber, onion, basil, 1 tbsp. oil and 2 tbsp. lime juice. Season with salt and pepper.
Roast the sesame seeds in a wok or deep frying pan while turning, remove. For the curry, peel and finely chop the ginger. If necessary, remove the dark intestine from the shrimps. Rinse shrimps and pat dry.
Heat 1 tablespoon of oil in a wok or frying pan. Fry half the prawns in it over a high heat for approx. 2 minutes, turning them over and taking them out. Fry the remaining prawns in 1 tbsp. oil in the same way. Add the ginger and the prawns. Stir in curcuma paste and sauté briefly. Deglaze with coconut milk, bring to the boil and simmer for about 2 minutes. Season to taste with about 1 tbsp. lime juice, salt and pepper. Serve the prawn curry with the cucumber salad. Sprinkle with roasted sesame seeds.