The Providence Journal | Yasso(R) Frozen Greek Yogurt Introduces Three New Flavors to Their Award ... The Providence Journal BOSTON, Jan. 29, 2013 /PRNewswire/ -- Yasso Frozen Greek Yogurt announces the addition of Coconut, Mango and Vanilla Bean to their line of frozen Greek yogurt bars. The new products will double the company's current offerings, now with a total of six ... |