Possible Clues:

• It sounds cold but it's red hot
• After cold starter, I provided hot dish
• Hot stuff make Greek cross with sick stomach
• Hot food when it's utterly cold
• __ con carne, Mexican dish
• Dish a high spot when visiting islands
• Hot food (that sounds cold!)
• Only sounding cold this
• It's hot to the tongue, cold to the ear
• , 19 across, 16 Discouraging picture by Tory composer, a dish