I'm thinking you need to gasp freeze some and send it to me. I'm drooling.......
Yes, the foie gras (fat liver for our non-French speaking brethren) is a rather rich ingredient to add to a ketchup/molasses sauce, both so are truffles in a mac and cheese.
GO FOR IT!
Dbl Bbl Smoker, UDS, ECB, Char-Broil gas grill & charcoal grills, SJ - Certified Moink Baller