If you sit down at any neighborhood joint in Colombia for a bite, you will see small bowls filled with something that looks like a watery relish. This is ají, and it is delicious and not at all relishy. Ají is vinegary and salty and a bit spicy, and it is served with all manners of Colombian food, but especially with empanadas, papas rellenas and other fritanga, as it is a perfect complement to heavier fried foods. Along with hogao, the tomato and onion base used for much of Colombian food, ají is one of the defining sauces in Colombian cuisine.
...