Place a skillet over medium heat and brown the beef cubes on all sides. Transfer the beef to the slow cooker.
Add the potatoes, carrots, onion, and garlic to the slow cooker with the beef.
In a small bowl, whisk the flour with 1/2 cup of the beef broth until smooth. Stir in the smoked paprika, salt, and black pepper.
Pour the remaining beef broth and the flour mixture into the slow cooker. Add the bay leaf and stir gently to combine.
Cover and cook on low for 8 hours. Remove the bay leaf before serving.