Mushroom Ketchup for Pies, Puddings and Sauces etc. A distinguished recipe from Geo Watkins Ltd. established in 1830. Use the resulting pan juices to make a rich dark gravy with the appetising taste and smell of mushrooms.SAUCES AND SOUPS.Enriches all brown sauces and soups and makes an excellent flavouring for cream of mushroom soup and mushroom sauce.STRAIGHT FROM THE BOTTLE.Mushroom ketchup … If you have never tasted this sauce, to give you an idea it is closer to the … As well as enriching the flavors of foods while cooking, a dash of Mushroom Ketchup as a simple … Mushroom Ketchup is used to enhance steak and kidney pies, puddings, roast meats, sauces, and soups. Mushroom Ketchup is the secret ingredient that Victorian cooks used to enhance the flavour of their roasts, casseroles and pies. Geo Watkins Mushroom Ketchup 190g Sainsbury's Price: £1.80 - Buy this product now, direct from Sainsbury's Product Category: BU Ambient / Packaged Grocery / … This rich cooking ingredient was the secret of success for many Victorian cooks … Geo Watkins Mushroom Ketchup 190g.