Homemade Evaporated Milk from Urban Baker. Also check out this link for lots of other substitutions and homemade alternatives: http://frugalliving.about.com/od/makeyourowningredients/r/Evaporated_Milk.htmhttp://frugalliving.about.com/od/makeyourowningredients/r/Evaporated_Milk.htm
If you're a baking enthusiast, you've probably cracked a can or two of sweetened condensed milk in your time—it's a key player in some of our favorite pies, cakes, and sticky-sweet sauces. But few people are as accustomed to cooking with its milder, milkier, unsweetened cousin. Here's a look at just how handy evaporated milk can be.