Bring 3 cups of the chicken broth to a boil in a medium saucepan overmedium heat.
Add the farro, bay leaf, 1/2 teaspoonn pepper and 1/2 teaspoon salt.
Bring back to a boil, cover, and reduce heat to a simmer.
Cook pearled farro for approximately 15-20 minutes, stirringoccasionally. Cook semi-pearled farro for approximately 30 minutes, stirringoccasionally. Cook whole farro approximately 35-40 minutes. And remember, the trick with grains is to taste, taste,taste, until you reach the consistency you like. When the farro is done, drain and rinse under cold water.Reserve.
Heat olive oil in a large saucepan over medium heat until itshimmers.
Add in the celery, carrots, onion, and potato. Season with remaining salt and pepper.
Sauté for 5 minutes, or until just softened.
Cover, and reduce heat to medium-low.
Cook for 7 minutes, stirring occasionally.
Add in the broth, desired amount of cooked farro, cookedchicken, Worcestershire sauce, dried dill, and tarragon.
Cover, and simmer for 15-20 minutes.
Stir in fresh tarragon just before serving.