A Canadian-invented pizza has been deemed the most popular pizza in the U.S. for 2020, according to an annual report from food delivery app GrubHub. GrubHub's "Taste of 2020" report has crowned Hawaiian pizza as "America's Favorite Pizza" after finding the pie was 689 per cent more popular than last year. The "Taste of 2020" report is based on trends gathered from more than 30 million orders on the Grubhub platform. According to Grubhub, the order trends detail the rise in popularity of certain food items placed by U.S. diners from January-November 2020 compared to the same timeframe in 2019....