
Classic Biscuits dough
5 tablespoons unsalted Irish butter, divided
2 cups red pearl onions, trimmed, skins removed and halved
1½ cups frozen baby sweet peas
1 cup sliced shiitake mushrooms with stems
1 cup trimmed and sliced whole baby bella mushrooms
4 medium carrots, peeled and thinly sliced
2 ribs celery with tender leaves, chopped
1 tablespoon plus ¼ teaspoon poultry seasoning, divided
1 teaspoon coarse kosher salt
½ teaspoon ground white pepper
¼ cup all-purpose flour
4 cups turkey or chicken broth
½ cup half-and-half
3 cups cubed cooked turkey breast
Fresh thyme, for garnish