A string of failures has sapped confidence that robots will take over production at pizza restaurants.

A Parisian restaurant once promised a pizza experience unlike any other. Order your pizza and, within five minutes, a robot would craft your pie from scratch, no human hands required. This was the ...

From bussing tables and delivering orders to flipping burgers and frying chips, robots are steadily infiltrating the restaurant world in response to ongoing labor challenges and ever-tighter margins.