If you've never tasted cajeta, you're in for a luscious surprisea thick, gooey sauce reminiscent of dulce de leche, but exponentially more complex. My method will reduce a quart of goat's milk down to a half cup in less than an hour, concentrating its flavor and consistency. Drizzle it over your favorite ice cream, use it as a dip for apple slices, spread it over cake, or just lick it off a spoon.