Possibly the 2nd-cheapest way to eat lunch in Mexico City

And it's some of the best food you'll find anywhere

Our weekdays are usually the same wherever we are—we work.

When we’re in Pennsylvania, we make our own big, loaded salads for lunch almost every day, since it would take too long and cost too much to go out to eat.

But in Mexico City, we have great options for fast, inexpensive lunches. They’re called cocinas económicas (roughly, affordable kitchens) or …