That's the stuff Steve.
Get the evaporated and NOT the condensed milk.
Funnily enough Phil, a lot of Indians used Carnation milk in their tea as well. I'm a plumber, and I've worked in houses where I was offered a cup of tea, and in Asian households, it was always made with Carnation milkback in the 80's. I say that as most people don't even offer a cuppa these days.
It was very interesting, had a sort of ring of skin around the top as it cooled down. Definitley not my "cup of tea"

Goes great in a korma, tikka masala etc though