Enjoy simple exotic prawn dip which is just is great thing for parties, with a zing of pink grapefruit juice to lift the prawn-mayonnaise to another level. Serve with flatbreads or vegetables of your choice.

1. To make the dip, squeeze the grapefruit juice into a saucepan and bring to the boil. Simmer gently until reduced by half.

2. Remove from the heat and pass through a fine sieve, leave to cool to room temperature.

3. Mix the prawns, mayonnaise, parsley and cayenne pepper in a bowl.

4. Mix in the reduced grapefruit juice to taste, season and serve.