The popular burger chain Shake Shack recently opened two more New Jersey locations. The company first unveiled a restaurant Nov. 26 in Edison at the Menlo Park Mall, neighboring True Food Kitchen. Then, another Shake Shack opened in Jersey City on Wednesday morning on the third level of Newport Centre’s dining pavilion. Shake Shack’s menu includes 100% all-natural Angus beef burgers, chicken sandwiches and bites, crinkle cut fries, hot dogs, milkshakes and frozen custard. The burger joint ironically started as a hot dog stand in New York and has now expanded to over 250 locations nationwide. T…