2 cup dry milk 
3/4  cup corn starch 
3/4 cup instant chicken bouillon 
2 tablespoons dried onion 
pepper to taste 

Mix and store in an air tight container. 

To make 1 mug of soup: 
   cup mix 
 1 1/4 cup hot water 
 Add mushrooms, celery, or whatever. 

(makes the equivilant to one can of soup that has been prepared according to the can's directions)