| Chop the onions and mushrooms separately. | 20 minutes | 
     | Unwrap all the butter onto a plate; retain the paper for later use.
             Melt the butter in the cauldron. | 5 minutes | 
     | Add the onions to the butter, and crush in the garlic. Cook over a low
             heat until the onions are soft. | 10 minutes | 
     | Add the mushrooms to the onions and cook for about 5 minutes. | 5 minutes | 
     | Mix in the flour, and about ½ pint water |  | 
     | Cook for 15 minutes, adding a little more water if necessary. | 15 minutes | 
     | Add the rest of the water, crush in the stock cubes, and bring to the 
             boil. | 40 minutes | 
     | Lower to medium heat and cook for about 10 minutes, stirring often. | 10 minutes | 
     | Add the milk and turn to a low heat (do NOT boil after
             adding milk). | 
     | Add salt, pepper and lemon juice, and let cook for a few minutes. | 20 - 30 minutes |