1 can (16 ounces) kidney beans, rinsed and drained
Hot cooked rice
Cut steak into thin strips. Combine mustard, chili powder, salt, pepper and garlic in a bowl; add steak and toss to coat. Transfer to a 3-qt. slow cooker; add tomatoes, onion and bouillon. Cover and cook on low for 6-8 hours. Stir in beans; cook 30 minutes longer. Serve over rice.