Cook With M&S Chicken GravyMade with chicken stock, onions and white pepper, this rich gravy is great for pouring over roast chicken and vegetables. Heat over the hob or in the microwave. Serves 4.Our Cook With M&S range includes 100s of time-saving ingredients that make cooking dinner easy. M&S Food has been at the heart of the nation since 1884. Giving our customers their best-loved products at the incredible quality and value that only M&S can deliver. From Percy Pig to the freshest M&S Select Farms produce, we grow, source, and develop our own products to give you family-ready food that's unbeatable on flavour and innovation. And that's whether you come to us for your family favourites, an indulgent treat, or your perfect party food spread. After all, this is not just food… This is M&S Food. Our Cook With M&S range includes 100s of time-saving ingredients that make cooking dinner easy.