Tarragon Sauce

Description
In Romanian: Sos de tarhon

Ingredients

 * 1 tablespoon lard,
 * 1 tablespoon flour,
 * 1 cup beef broth or water,
 * 1 onion,
 * 1/2 cup sugar,
 * 1 tablespoon chopped tarragon,
 * 1/2 cup sour cream,
 * salt

Directions

 * 1) Fry the onion in lard until yellowish.
 * 2) Add the flour, fry a little more, then pour the broth, add the salt, sugar, tarragon and let boil until the sauce is medium thick. Serve warm.