Cut the lobster in half (head to tail). Remove the lobster meat from the tail and the claws and clean.
Cook the finely diced onion and red pepper in a little olive oil until soft. Add the paprika and chopped parsley. Combine with the couscous. Season to taste. Add the boiling water and allow to stand for 5 minutes to rest.
Fill the lobster shell with the couscous mixture and place the lobster meat from the body and claws on top.
Pour over the hollandaise sauce. Sprinkle with parmesan cheese and paprika.