Allow the shrimps to thaw briefly. Clean and wash the zucchini, halve lengthwise and cut into slices. Peel onion and garlic. Dice onion, chop garlic finely. Rinse shrimps cold, dab dry. Cook rice in 1⁄2 l salt water according to package instructions.
Heat 2 tablespoons of oil in a frying pan and fry the prawns for 4-5 minutes. Season with salt and pepper and remove. Heat 2 tablespoons of oil in hot frying fat. Fry zucchini, onion and garlic briefly. Season well with salt, pepper and approx. 1 tbsp. curry. Add coconut milk and 1⁄8 l water, bring to the boil and simmer for 2-3 minutes.
Wash parsley, shake dry, pluck off leaves and chop. Warm the prawns in the zucchini curry briefly. Season again with salt, pepper and curry and serve with rice. Sprinkle with parsley.