A few questions on making Millionaires shortbread...?

use whatever tin suits you i have been a baker for 28 years and i usually make it on a tray 18x 30 and then cut, you can do individual but it tends to look more rough and more homemade a nice caramel is condensed milk simmered in water for roughly an hour and that taste devine also finally another nice twist is to make the base like a cheesecake base of digestives and a little warmed er...