Halibut – Basil shallot butter. Finely chop basil and shallot in mini food processor. Transfer to small bowl; stir in lemon peel and season basil-shallot butter with salt. Rub fish fillets on both sides. Halibut with basil-shallot butter from The Grilling Book: The Definitive Guide from Bon Appétit by Adam Rapoport. shallots. basil. lemons. butter. halibut fillets. Where's the full recipe – why can I only see the ingredients? Always check the publication for a