A four-pound chuck roast cooked with brown gravy, ranch, and Italian seasoning packets plus measured carrots, potatoes, onion, and water.
A 4-pound thawed chuck roast, dry packets, and measured vegetables are specified. Cooker filling must follow its manual. Nine-hour LOW allowance plus prep/rest gives 9 h 30 total. Tenderness decides the final time; no fixed schedule fits every cut.