Wild Mushroom And Oyster Stew

Ingredients

• 4 tablespoons unsalted butter
• 1/2 cup finely chopped yellow onions
• 1/2 cup finely chopped celery
• 2 tablespoons finely chopped shallots
• 1 teaspoon minced garlic
• 1/2 pound wild mushrooms, such as shiitake, oyster, morel, chanterelle, wiped clean, stems trimmed or removed, and chopped
• 1/2 teaspoon chopped fresh thyme leaves
• 3 tablespoons flour
• 1/2 cup dry white wine or sherry
• 4 cups half and half
• 1 pint oysters, drained, liquor reserved
• 2 teaspoons fresh lemon juice
• Freshly ground white pepper
• 1 tablespoon chopped fresh parsley
• Salt
• Finely chopped chives, garnish
• Thinly sliced garlic toast, accompaniment