Doe John wrote:
> If so, how much should the sweet condensed milk be watered down by?.

Not at all! Sweetened condensed milk is not a milk substitute. What you
want is evaporated milk. vaporated milk is fresh homogenized milk with 60%
of its water removed by evaporation. It contains 7.9% milk fat.

Alternatively, buy powdered milk and reconstitute it.

Jill