1.Place vegetables and half the oil in large bowl; toss to combine. Cook vegetables on heated oiled barbecue until browned all over and cooked through.
2.Meanwhile, make chilli basil sauce by melting butter in small saucepan; adding chilli, basil and juice, and stirring until combined.
3.Score each fish three times both sides; brush all over with remaining oil. Cook fish on heated oiled barbecue until cooked as desired. Serve fish and vegetables drizzled with sauce.
We used whole bream in this recipe, but you can use any whole white fish.Note