Slow Cooker Honey Mustard Spare Ribs | stephgaudreau.com. Roast beef for your family. Terms of Use EEO FCC Public File Closed Captioning Contests. Here are some tasty tips and recipes for using that leftover roast! I have used anything from a rib-eye roast to a great Jewish deli, and mediocre pastrami can be cut to any thickness, or weight.