Ingredients
1.5 lb
boneless skinless chicken breasts
2 Tbsp
extra-virgin olive oil
1 large
yellow onion, chopped
2 medium
carrots, peeled and chopped
2 large
celery stalks, halved lengthwise and chopped
1 Tbsp
kosher salt, divided, plus more for serving
⅛ tsp
freshly ground black pepper, plus more for serving
6 Tbsp
melted unsalted butter, divided
2.25 cups
all-purpose flour, divided
1.5 cups
heavy cream, divided
Chopped fresh parsley, for garnish