Prep30 m Cook4 h Ready In4 h 30 m In a slow cooker, place onions, celery, rice mix, water, condensed cream of mushroom soup, butter, American cheese and mushrooms. Cover, and cook on Low 6 to 10 hours or on High 2 to 4 hours. You might also like Persian Rice See how to make an actual foolproof method for cooking perfect rice. Best Spanish Rice See a quick-and-easy recipe for the yummiest Spanish rice. Chef John’s Bok Choy Steamed Rice See how to make steamed rice with fresh boy choy. Prep30 m Cook4 h Ready In4 h 30 m In a slow cooker, place onions, celery, rice mix, water, condensed cream of mushroom soup, butter, American cheese and mushrooms. Cover, and cook on Low 6 to 10 hours or on High 2 to 4 hours. You might also like Persian Rice See how to make an actual foolproof method for cooking perfect rice. Best Spanish Rice See a quick-and-easy recipe for the yummiest Spanish rice. Chef John’s Bok Choy Steamed Rice See how to make steamed rice with fresh boy choy. You might also like