Turkey A La King Recipe

Ingredients

• 4 tablespoons unsalted butter
• 1 medium onion, cut into 1/4-inch dice
• 2 celery ribs, cut into 1/4-inch dice
• 2 carrots, cut into 1/4-inch dice
• 1/2 red bell pepper, cut into 1/4-inch dice
• 1/2 yellow bell pepper, cut into 1/4-inch dice
• 1/2 cup frozen peas, thawed
• 1/3 cup sliced black olives
• 1/4 cup finely chopped flat-leaf parsley
• 1 tablespoon finely chopped tarragon
• 1 tablespoon chopped thyme
• 3 tablespoons all-purpose flour
• 4 cups leftover turkey, cut into 1-inch pieces
• 2 1/4 cups turkey or chicken stock or low-sodium chicken broth
• 3/4 cup milk
• Salt and freshly ground white pepper
• Steamed white rice, for serving