Irish Stew

Ingredients

• 3 tablespoons extra-virgin olive oil, divided
• 2 pounds cubed beef chuck stew meat
• kosher salt, to taste
• black pepper, to taste
• 1 yellow onion, chopped
• 2 medium carrots, peeled and cut into rounds
• 2 ribs celery, chopped
• 3 cloves garlic, minced
• 3 medium russet potatoes, peeled and cut into large chunks
• 4 cups low-sodium beef broth
• 1 (16-ounce) bottle dark stout, such as Guinness®
• 2 teaspoons fresh thyme
• parsley, optional, to taste, chopped, for serving