01 - Rub beef cubes with salt, pepper, and dried thyme, ensuring even coating on all sides.
02 - Place seasoned beef in slow cooker. Top with chopped onion and minced garlic.
03 - Whisk together beef broth, Worcestershire sauce, tomato paste, and flour in a medium bowl until completely smooth and no lumps remain.
04 - Pour liquid mixture over beef and vegetables. Stir gently to distribute ingredients evenly. Cover with lid.
05 - Cook on low setting for 6-7 hours or high setting for 3-4 hours until beef is fork-tender and gravy has thickened.
06 - Taste gravy and adjust salt or pepper as needed.
07 - Spoon beef and gravy over mashed potatoes, egg noodles, or steamed rice. Garnish with fresh parsley.