Mushroom Soup

1/2 lb. mushrooms - putthrough coarse grind, then put in double boiler to cook.  Do not add any water. - cook about 1/2 hr. - add 1 can Campbelle's bouillon soup - make a milk sauce of 2 Tbsp. butter - 2 Tbsp. flour - 1 pt. millk - stir constantly over low heat until smooth - add the mushrooms with bouillon - & it is ready to serve.