Stepping out: breakfast burritos and more

It’s difficult to pin down the origins of any dish. Was the fajita, for instance, invented by kitchen staff at Ninfa’s in Houston or derived from chuck wagon meals served to cowboys roaming the borderlands? Did a short order cook in Massachusetts, Michigan or wherever else first slap the hamburg steak on a bun to create America’s signature sandwich?

No matter the origin myth, fajitas and burgers soon made their way into every corner of the country.

The breakfast burrito--once an oddity--is now found in just about every restaurant open before noon. Mexican kitchens serve them, The Coff...