Mushroom for 2

Scaled to serve 10

Quantity recently doubled to reflect the lack of wartime rationing! Tom may not like the concept of mushrooms.

140.0 g of margarine for onionmeltcook til soft and translucentsweat 8 minutessimmer 1hr with lidblend until conceptually smooth
5.0 onionchopped
1700.0 g of button mushroomswash and quater
235.0 g of margarine for mushrooms
5.0 tsp of parsley
5.0 l of chicken stock