Beef & onion with peppercorn mayo

British Chicken Breast Fillet (63%), Breadcrumb Coating (23%) (Breadcrumb (Fortified British Wheat Flour (Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Yeast, Sunflower Oil, Sugar, Salt), Water, Fortified British Wheat Flour (Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Semolina (Wheat), Wheat Starch, Wheat Gluten, Rice Flour, Rusk (Fortified British Wheat Flour (Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Salt), Salt, Yeast Extract, Garlic Powder, Onion Powder, Rapeseed Oil, Sugar, Black Pepper, Sunflower Oil, Sage Extract, Colour: Paprika Extract), Rapeseed Oil, Water, Chicken Stock (Water, Chicken, Shiitake Mushroom, Seaweed), Salt, Muscovado Sugar, Cornflour.