Luck-of-the-Irish Stew

Ingredients

• 3 tablespoons olive oil, divided, plus more, to taste
• 1 (3-pound) beef chuck, well-trimmed, cut into 2-inch pieces
• kosher salt, to taste
• pepper, to taste
• 2 medium onions, cut into 1-inch-thick wedges
• 4 cloves garlic, chopped
• 1 pound medium carrots, cut into 1-inch pieces
• 12 ounces medium parsnips, cut into 1-inch pieces
• 3 tablespoons all-purpose flour
• 1 (14.9-ounce) can Guinness® beer, or other stout beer
• 3 cups low-sodium chicken broth
• 1 (6-ounce) can tomato paste
• 1 pound yellow potatoes, cut into 1-inch pieces
• 8 sprigs fresh thyme, tied together
• 2 bay leaves
• 1/2 cup flat-leaf parsley, roughly chopped, for garnish