Creamy Prawns with Chickpeas

cooked (peeled, ready-to-eat king prawns)

finely chopped Thai basil (leaves only)

green chilli (mild or hot, finely chopped)

coconut milk

x400 g tin chickpeas (including the liquid)

fresh ginger (finely chopped)

garlic cloves (finely chopped)

vegetable oil

corn flour

Sea salt and pepper

Lime juice for drizzling and zest for sprinkling over the dish