Easy Slow Cooker Chicken Pot Pie with Biscuits

Ingredients

• 1 cup (130 g) diced carrots
• 1 cup (120 g) diced celery
• 1 small yellow onion, diced
• 1/3 cup (42 g) all-purpose flour
• 1 1/2 cups (360 ml) low-sodium chicken broth
• 1 teaspoon poultry seasoning
• 1/2 teaspoon dried thyme
• 1 dried bay leaf
• 2 lb (900 g) boneless skinless chicken thighs or breasts
• 1 teaspoon kosher salt, plus more to taste
• 1/2 teaspoon black pepper
• 1 cup (135 g) frozen peas
• 1/2 cup (120 ml) heavy cream
• 1 tube refrigerated biscuits, 8-count, or 8 homemade biscuits
• 1 tablespoon melted butter, optional
• 2 tablespoons chopped fresh parsley