01 - In a large bowl, toss beef cubes with flour, salt, and pepper until evenly coated
02 - Place beef in the bottom of the slow cooker, then add carrots, potatoes, celery, onion, and garlic on top
03 - In a separate bowl, mix beef broth, tomato paste, and Worcestershire sauce, then pour over beef and vegetables
04 - Sprinkle thyme, rosemary, and bay leaves over the mixture
05 - Cover and cook on LOW for 8 hours or HIGH for 4 hours until beef is very tender and vegetables are cooked through
06 - Remove bay leaves, stir in frozen peas, and cook for an additional 10 minutes
07 - Taste and adjust seasoning as needed, then serve hot