James Martin Poached Halibut with Beurre Blanc Sauce, Sea Vegetables and Lemon Gel on James Martin’s Saturday Morning.

The ingredients are: 2 x 200g halibut steaks, 100g butter, Salt and pepper.

For the sauce: 350g butter, 1 shallot or red onion, peeled and diced, 1 clove garlic, chopped, 50ml white wine, 1 lemon, 200g sea vegetables and 25g butter.

To serve: Lemon gel.

See recipes by James in his book titled: Complete Home Comforts: Over 150 delicious comfort-food classics available from Amazon now.