OKLAHOMA CITY--(BUSINESS WIRE)--SONIC® Drive-In (NASDAQ: SONC) is upping its Real Ice Cream game with 18 Master Blast flavors that go beyond the usual ice cream and candy concoctions. These handmade Real Ice Cream treats will blow taste buds away with perfectly blended confections of delicious fruit, cookies, premium candy and Real Ice Cream. “We experimented with many flavors this year to offer twice as many Master Blast choices,” said Chef Claes Petersson, vice president of product innovation