In technical terms, this place goes by Old Poland Bakery & Restaurant, and also has a couple other branches in the general area. On the awning, it says Northside Bakery, a little more general, but once inside still very Polish. This Nassau Avenue location indeed has two distinct parts, a bakery, and a small steam table operation selling prepared hot food by the pound.
One exception to this pricing system is the soup. My bowl of pickle soup ($3, below) was hardly hearty, but very delicious and definitely whetted the tubes for further things to come.
In total my order came to $10.22, so the weight of everything in the next two photos came to just over $7 and was definitely too much for me to eat comfortably. They have both potato and cabbage pierogi (below), so I grabbed two of each. These little guys are ordered by many and thus very fresh, a great find. Be sure to ask for a little bowl of sour cream for dolloping on these and other things.
To round out the rest of my hearty lunch, I asked for a plate with two potato pancakes and a portion of goulash, both excellent and also well-paired with that sour cream I had too much of. The gravy or soup from the goulash could realistically go with just about anything on offer here.
Just from my short time here, maybe 20 minutes or so eating, a steady stream of Polish men and women came in to place orders at the steam table and the bakery. It is obvious that this place is a neighborhood favorite.
If you are interested in Polish baked goods, pick up a pamphlet to see all the variety of "old style" bread and rolls they make, some available daily and some made to order. Options of bread loaves on offer are almost 20 and include Granny's 100% Rye Bread with Honey.