Popular in Valencia, http://en.wikipedia.org/wiki/Spain in a 1:1 ratio. The condensed milk is added to the espresso. For visual effect, a glass is used, and the condensed milk is added slowly to sink underneath the coffee and create two separate bands of contrasting colour - though these layers are customarily stirred together before consumption. Some establishments merely serve an espresso with a sachet of condensed milk for patrons to make themselves.
http://en.wikipedia.org/wiki/List_of_coffee_beverages#Caf.C3.A9_Bombon
Popular in Valencia, http://en.wikipedia.org/wiki/Spain in a 1:1 ratio. The condensed milk is added to the espresso. For visual effect, a glass is used, and the condensed milk is added slowly to sink underneath the coffee and create two separate bands of contrasting colour - though these layers are customarily stirred together before consumption. Some establishments merely serve an espresso with a sachet of condensed milk for patrons to make themselves.