Haddock en papillote is a delicious and healthy dish that features tender haddock fillets cooked in parchment paper. The fish is seasoned with herbs, lemon juice, and olive oil, then sealed in the parchment paper to lock in all the flavors. This cooking method allows the fish to steam in its own juices, resulting in a moist and flavorful dish. Haddock en papillote is easy to make and is a great option for a quick and impressive weeknight dinner.