OPTIONAL: you can reserve the sauce / marinade and pour it on top of the fillets after they finish, if you'd like. (paleomazing.com)
Set oven to broil to brown tops of fillets, 2 minutes. (giveitsomethyme.com)
To serve, add the fillets to 4 seperate dishes, add some pesto on top of the fillets, add a streak of pesto on the side of each dish, add a slice of lemon and some cut cherry tomatoes on top (spainonafork.com)