Stews generally cook longer than soups ... thick stew liquid the next you're craving one is to make a slurry and add it to the dish. A cornstarch slurry will thicken a beef stew in minutes ...

Cook for a further 3-5 minutes under pressure before releasing and adding the slurry made with the corn flour and remaining water, stir into the piping hot stew until it thickens. Serve with mash ...