Beef Stroganoff over Buttered Noodles

Name: Beef Stroganoff over Buttered Noodles
Ingredients: 3 cups beef stock; 1 carrot, chopped; 6 sprigs fresh thyme; 1 bay leaf; 2 pounds chuck roast, cut into 2-inch cubes; Kosher salt and freshly ground black pepper; 6 tablespoons extra-virgin olive oil; 1 medium onion, chopped; 2 tablespoons cognac; 5 tablespoons unsalted butter; 1 pound mushrooms, sliced; 3 cloves garlic, chopped; 2 tablespoons sour cream, plus more for garnish; 1 tablespoon Dijon mustard; 2 tablespoons chopped fresh parsley leaves, plus more for garnish; 1 (1-pound) package wide egg noodles