01 - Place the beef cubes into the slow cooker.
02 - Arrange the carrots, potatoes, celery, onion, and minced garlic evenly over the beef.
03 - In a separate bowl, whisk together the beef broth, tomato paste, Worcestershire sauce, and red wine until well combined.
04 - Pour the liquid mixture over the meat and vegetables in the slow cooker. Sprinkle with salt, black pepper, dried thyme, dried rosemary, and add the bay leaves.
05 - Cover and cook on low for 8 hours, or on high for 4-5 hours, until the beef is tender and vegetables are cooked through.
06 - Thirty minutes before serving, stir in the frozen peas.
07 - Optional: For a thicker stew, mix cornstarch and water in a small bowl until smooth and stir into the stew. Cook on high for an additional 20-30 minutes until thickened.
08 - Remove bay leaves, garnish with fresh parsley, and serve hot.