Here is a summary of the most interesting QSR news stories of the week from around the world.

Burger Kingin the US is going to sell its plant-based Impossible Whoppers nationwide for a limited time starting 8 August. As CBS News reports, diners can also have the Impossible Whoppers delivered via the Doordash or Burger King mobile apps. Read morehere.

Chick-fil-Ahas dethroned In-N-Out in a survey determining America’s favorite fast food restaurant. As told by Fox Business, Market Force's Fast Food Market Research Report evaluates input from 7,600 consumers to assess the winner. Read morehere.

Chipotlehas quietly expanded its testing of AI-powered voice assistants to 1,800 locations in the US this year. Vice president of digital strategy and product Nicole West told Nation’s Restaurant News that they plan to expand the AI voice system to its remaining US stores by the end of the year. Read morehere.

Outback Steakhouseis undertaking two delivery-related initiatives in a bid to increase transactions, its parent company Bloomin’ Brands has announced. As reported by Restaurant Business, the steakhouse operation has developed a new interior design that features an “off-premise room” devoted to delivery, takeout and catering orders, and has negotiated a tentative deal with a third-party delivery service. Read morehere.

Chuck E. Cheese’s(CEC) parent has terminated its proposed reverse merger with blank check company Leo Holdings. As reported by Restaurant Business, the deal would have reintroduced CEC as a public listed company on the New York Stock Exchange. Read morehere.

Pizza Hutin the US is exploring temporary closures of up to 500 underperforming units in the next 24 months. As Restaurant Dive reports, Yum Brands president, CFO and COO David Gibbs explained the units will be remodeled and reopened with a focus on carryout and delivery. Read morehere.