For the monkfish-mango skewers, rinse the monkfish fillets with cold water and pat dry. Cut into approx. 3 x 3 cm cubes.
Grate some lemon peel and squeeze out the juice. Pluck the parsley leaves from the stems and chop finely. Mix olive oil with lemon juice, parsley, salt and pepper to a marinade. Place the monkfish cubes in it and cover well with the marinade. Cover and refrigerate for at least 30 minutes.
Peel the mangoes and remove the core. Also cut into cubes. Thread monkfish and mango cubes alternately onto skewers.
Grill the monkfish-mango skewers on a hot grill for about 12 minutes, turning frequently.