So simple & quick: fish in a buttery, crispy coating flavoured with Parmesan, lemon & garlic or your own favourite seasonings (see Recipe Notes for suggestions).
Preheat your oven to 220C / 200C Fan/ Gas 7
Grease the bottom of a shallow baking dish with some of the butter.
Season the fish lightly with salt and pepper then put in the baking dish in a single layer.
Put the remaining butter and the olive oil in a small saucepan over a low heat until the butter is melted.
While the butter's melting, take a bowl and mix together the breadcrumbs, Parmesan, garlic, lemon zest and some black pepper.
Stir the melted butter and olive oil through the breadcrumb mixture so that everything is coated in the fat.
Press the breadcrumbs all over the tops of the fish. Scatter over any remaining crumbs.
Bake in the oven until the fish is cooked all the way through and the crumb topping is crispy (10-15 min).
Check to see if the fish is done by inserting a knife into the thickest part: the flesh should have turned from raw and translucent to opaque and flaky.
Serve straight away, with a sprinkle of chopped parsley and a squeeze of lemon if liked.
Other flavourings for the breadcrumbs you might like to try include: smoked paprika, cumin, curry spices, chilli flakes, dried herbs such as oregano or rosemary.