Melissa Clark visits Frankies Spuntino in New York, where its owners share some culinary "grandma tricks" for making a memorable eggplant sandwich. Read the story here: http://nyti.ms/153cTPw Subscribe on YouTube: http://bit.ly/U8Ys7n NYT on Google Plus: http://bit.ly/WnAshF Watch more videos at: http://nytimes.com/video Follow on Twitter: https://twitter.com/nytvideo