Recipe: Slow Cooker Beef Tips with Mushroom Gravy

Name: Recipe: Slow Cooker Beef Tips with Mushroom Gravy
Ingredients: 1 pound cremini mushrooms, halved; 3 pounds beef round, rump, or pot roast; 1/3 cup plus 1 tablespoon all-purpose flour, divided; 2 teaspoons kosher salt; 1/2 teaspoon freshly ground black pepper; 2 tablespoons vegetable or olive oil, divided; 1 medium yellow onion, chopped; 2 cloves garlic, minced; 3/4 teaspoon dried thyme; 1 cup low-sodium beef broth; 1 tablespoon Worcestershire sauce; 3/4 cup heavy cream; Chopped fresh parsley leaves, for garnish (optional); Cooked egg noodles or mashed potatoes, for serving