The new jewish synagogue Giessen can be on your route by default, the clients' piece of advice is to visit this cafe. Invite your friends with you to enjoy nicely cooked sandwiches. Good espresso is the most popular drinks of Paninoteca.
The nice service and the patient staff are its big pluses. There is cool ambiance at this place. Based on the users' feedback on Google, this spot deserved 4.2.