Lamb and Red Wine Stew

Name: Lamb and Red Wine Stew
Ingredients: 2 tablespoons olive oil; 1 pound lamb stew meat, cut into 1-inch cubes; Kosher salt; 3 carrots, peeled and diced; 2 ribs celery, diced; 2 cloves garlic, smashed and peeled; 1 onion, diced; 2 tablespoons all-purpose flour; 2 tablespoons tomato paste; 1 1/2 cups dry red wine; 1 1/2 cups low-sodium beef broth; 5 sprigs fresh thyme; 1 bay leaf; 1 cup green Cerignola olives, smashed and pits removed; 2 tablespoons chopped fresh Italian parsley; Mashed potatoes or crusty bread, for serving