"Of course it includes Guinness...."
extra-virgin olive oil, divided
beef chuck stew meat, cubed into 1" pieces
Kosher salt
Freshly ground black pepper
onion, chopped
medium carrots, peeled and cut into rounds
stalks celery, chopped
cloves garlic, minced
medium russet potatoes, peeled and cut into large chunks
low-sodium beef broth
(16-oz.) bottle Guinness
fresh thyme
Freshly chopped parsley, for serving