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
03 - Add carrots, potatoes, celery, onion, and garlic on top of the beef
04 - In a separate bowl, mix beef broth, tomato paste, and Worcestershire sauce; pour over the beef and vegetables
05 - Add thyme, rosemary, and bay leaves to the slow cooker
06 - Cover and cook on LOW for 8 hours or HIGH for 4 hours, until beef is very tender and vegetables are cooked through
07 - Remove bay leaves. Stir in frozen peas and cook for an additional 10 minutes
08 - Taste and adjust seasoning if needed. Serve hot