Fall Skillet Pot Pie | Savory

Ingredients

• 1/2 cup (1 stick) unsalted butter
• 1 (10 oz) container mirepoix (chopped carrots, onions, and celery)
• 1 (16 oz) container diced butternut squash
• 1/2 cup all-purpose flour, plus more for dusting
• 2 cups low-sodium chicken broth
• 3 cups shredded rotisserie chicken
• 1/2 cup whole milk
• 1 cup chopped kale
• 1 tbsp chopped fresh sage
• 1 large egg
• 1/2 (17.3 oz) pkg frozen puff pastry sheets, thawed