Bisto ready to use beef gravy. Bisto's Signature Ready to Use Rich Beef 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 bangers and mash 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