1. IntroductionPizza is one of the world's most adaptable foods. Almost every country and city has found a way to give it a local identity. In Regina, the capital of Saskatchewan, Canada, that identity is particularly distinctive.Known as Regina-style pizza, this local favourite is recognized for its thick, fluffy crust, generous sauce, abundant toppings, substantial layer of cheese, and unusual square-cut slices. In 1970, four Greek immigrant brothers—George, Gus, John and Tony Kolitsas—opened the first Houston Pizza restaurant on Hill Avenue in Regina. Their approach to pizza helped establish a style that eventually became closely associated with the city itself.More