Geo Watkins Mushroom Ketchup is a traditional sauce produced by a company that has been making sauces for over 150 years. Don"t be under any illusions though - this sauce tastes nothing like the modern ketchups we are familiar with today.Mushroom Ketchup is the secret ingredient that Victorian cooks used to enhance the flavour of their roasts, casseroles and pies. If you have never tasted this sauce, to give you an idea it is closer to the likes of Worcester sauce than Tommy K.Get the most out of your cooking with a bottle of this rich and flavoursome sauce.