Saute the onion in butter ... tender. Meanwhile, wash asparagus; trim and discard ends. ... 1/4 of the soup into the container of an ... cover bowl and chill.
Ingredients: 8 (asparagus .. broth .. half .. salt ...)
In saucepan, combine first 5 ... tender. Add frozen asparagus. Return to boil, reduce ... and stir into soup until melted. Do not boil. ... refrigerator for several days.