Those early chuck wagons might have served some hot dishes along with cold cuts. It may have seemed like no big deal at the time, but the casino buffet would become a Las Vegas signature restaurant.” Knowing that the hungry gamblers would be happy with good, plentiful meats and snacks, the El Rancho Vegas’s managers created the all-night chuck wagon. “The buffet filled a need for the casino, which wanted to keep its late-night gamblers happy, but didn’t want the expense of keeping a full restaurant open all night. As UNLV’s Center for Gaming Research writes, “quantity was usually emphasized over quality.” El Rancho Vegas, the Strip’s first resort, came up with the chuck wagon, the earliest version of the modern-day buffet to turn up in Las Vegas. Culinary trailblazers back in the 1940s found a way to keep gamblers inside the resorts with cheap food, and lots of it.