Bisto ready to use chicken gravy. Bisto's Signature Ready to Use Chicken Gravy was expertly crafted by our chefs with natural ingredients, slowly simmered with succulent meat juices for maximum flavour. Our Bisto Gravy makes your meals feel extra special every day. It is perfect poured over your chicken pie or to make a standout Sunday roast. Reasons you'll love our ready to use gravy:. 1 Made with real meat juices. 2 Easy to use. 3 Guaranteed no lumps