A great writer who lived in Italy said they use potato flakes!
Here is an interesting article and info on to make it. The writer is probably right in the article it say's they use either flour or cornstarch I guess potato flakes could also be used:
Its more like a thinish pudding than the beverage we know as hot chocolate.
I made some this morning!! Here's my recipe: http://www.food52.com/recipes...
Thats wonderful, saved it. Have not made thick hot chocolate for a while. This will hit the spot1
You buy the authentic Italian Product - and flow the directions on the back. Franzese Italian Hot Chocolate - by Franzese Cafe Italiano at Nordstrom or on Amazon.
I made it several years ago. I used an 82 percent chocolate, a combination of cream and milk, and I believe I used agar-agar. It was excelent.