Possible Clues:

• Pungent root
• Sauce to eat with roast beef
• Traditional relish for animal right on a plate
• Hot sauce, popular with beef-eaters
• Root of equine inflammation one had turning up internally
• Sauce served with beef
• Sauce put right by a bowl - what the hungry could eat first
• Condiment Arab possibly put on most of raw food
• Plant with root used for pungent condiment
• Almost set to tuck into chestnuts, maybe, with hot type of sauce