Mushroom Ketchup - cooking recipe

Ingredients

12 ounces large open mushrooms
10 fluid ounces vinegar
1 tablespoon salt
4 ounces soft dark brown sugar
black pepper

Preparation

Clean mushrooms (don't wash them!) and then quarter them.
Put the mushrooms and all the other ingredients into a pan and bring to boil, stirring frequently.
Cover, reduce heat, and simmer gently for 30 - 40 minutes.
Allow to cool slightly and then liquidise in a blender.
Return to a clean pan and bring to the boil before pouring into warm bottles,.
Cover immediately.