Mama Jo has been serving breakfast staples (like bacon, egg, cheese sandwiches, omelette) and traditional Greek pastries (such as spanakopita and baklava) from her food truck in Midtown Manhattan for over 35 years. Declaring to be New York City's earliest street vendor, she isn't planning on retiring her famous food cart whenever soon. She gets her ingredients fresh every morning in Queens, serves food with a smile and genuinely appreciates her consumers– making her the affectionate nickname…