Sole And Mushroom Casserole Recipe

•     Mushroom Essence (see recipe)
• 1 lb boned skinned sole fillets rinsed
• 3/4 c. minced green onions
• 2 Tbsp. liquid removed capers
• 2 Tbsp. cream sherry
• 1 Tbsp. soy sauce
• 1 tsp chopped peeled fresh ginger
• 1 1/2 lb thin-skinned potatoes rinsed, peeled,
•     and cut into 1/2" cubes
• 1/2 tsp dry tarragon
• 2 tsp cornstarch
• 1/2 c. low-fat (1%) lowfat milk - (about)
• 1/4 c. shredded gruyere or possibly Swiss cheese
•     Salt to taste
•     Freshly-grnd black pepper to taste

Directions