Chicago-style deep dish pizza had already been popular for 31 years when Giordano’s arrived in town in 1974. Italian immigrants Efren and Joseph Boglio adapted their mother’s Italian Easter Pie and created a deep dish pizza with lots of melted mozzarella baked between two layers of flakey dough. Through decades of hard work, the brothers made Mama Giordano’s secret recipe a Chicago favorite, and Giordano’s restaurants multiplied to over 70 stores in Illinois and around the U.S. To make a…
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