Preheat oven to 350. Lay the filets of flounder on a sheet pan. Drizzle with evoo and sprinkle with a dash of salt, pepper, and cayenne. Place in the oven and bake for 25-30 minutes or until tender.
While the fish is cooking, combine the basil to the lime in a food processor. Pulse until finely chopped. Stream in evoo and mix until incorporated. Place in a bowl and fold in the parmesan cheese.
When the fish is done, smear basil on each filet and enjoy immediately.
Recipe by Keys to the Cucina at https://keystothecucina.com/2014/09/04/flounder-with-basil-lime-pesto/