2 Salmon fishcakes with melting hollandaise sauce

Salmon (Salmo salar) (Fish) (16%), Alaska Pollock (Theragra chalcogramma) (Fish) (15%), Potatoes (13%), Fortified Wheat Flour [Wheat Flour, Calcium Carbonate, Iron, Niacin (B3), Thiamin (B1)], Water, Rapeseed Oil, Single Cream (Milk) (5%), Double Cream (Milk) (4%), Potato Flakes (2%), Cornflour, Wholemeal Wheat Flour, Unsalted Butter (Milk), Onions, Spelt Flakes (Wheat), Toasted Barley Flakes, Wheat Gluten, Chives, Lemon Juice, Lemon Zest, Salt, Lemon Juice from Concentrate, Wheat Germ, Fish Gelatine, White Wine Vinegar, Rice Flour, Garlic Purée, Yeast, Egg Yolk Powder, White Wine, Shallots, Sugar, White Pepper, Cayenne Pepper, Nutmeg, Turmeric, Sunflower Oil.