Place the beef cubes, minced garlic, carrots, celery, onion, and potatoes into the slow cooker.
Pour the beef broth over the ingredients.
Add the rosemary, thyme, salt, and black pepper.
Stir gently to distribute the seasonings evenly.
Cover and cook on low for 8 hours until the beef is tender and the vegetables are soft.
Ladle the stew into bowls and sprinkle with fresh parsley before serving.