Layer large quart sized wide mouth mason jars with the ingredients in the order listed. (theviewfromgreatisland.com)
It is easy to make and my preferred method is to do it in the crock pot by pouring sweetened condensed milk into 250 ml wide mouth mason jars. (strawberriesforsupper.com)
And if you're earth conscious... you could use 8 ounce wide mouth mason jars. (crazyforcrust.com)