There are cities in which lunch is something you fit between appointments. I would be cautious about treating Bologna that way.
Here, a plate of pasta can provide the afternoon’s most useful cultural education. It can also make an overambitious sightseeing schedule look deeply unreasonable.
Both are valuable services.
Begin with the sheet of pasta
Sfoglia, the rolled sheet of egg pasta, is a good starting point for understanding Bologna’s food traditions. From that foundation come different shapes, fillings and relationships with sauce or broth.
Look closely at tortellini before the conversation moves on to which restaurant is the best. The small shape involves folding and joining the pasta around its filling. Precision sits inside something you can eat in a single bite.
That should slow us down a little.
The official local recipe for tortellini in brodo gives some idea of how seriously this tradition is treated. Yet the interesting conversation at the table can be very simple: how thin is the pasta, how balanced is the filling, how do all the parts behave together?
You are allowed to enjoy lunch while thinking. Bologna can cope.
Choose a table for the meal you want
“The best restaurant” is an incomplete request. The best for a long family lunch? For a quiet conversation? For someone curious about handmade pasta? For a traveller with dietary requirements?
I would decide those things before beginning the search.
Read the current menu and ask specific questions. Is the pasta made in-house? Which dishes express the kitchen’s particular strengths? Can dietary needs be accommodated? A helpful answer tells you more than a long list of flattering adjectives.
A modest dining room can deliver a memorable meal, and a polished one can too. Let the quality of the cooking and the fit with your day guide the choice. There is no need to perform indifference to comfort in order to eat well.
Order with curiosity, and leave some room
Tortellini in broth and tagliatelle with ragù offer different pleasures. If you are travelling together, consider choosing different dishes and comparing impressions, where sharing suits the table.
Pay attention to texture as well as flavour. Notice how the pasta holds its accompaniment. Ask about a regional wine if you would like one, or enjoy the meal without it. The conversation should serve your pleasure, rather than become an examination.
I would avoid filling the hours immediately afterwards with a sequence of timed entries. A walk and a little flexibility are excellent companions to lunch.
Before leaving, remember the dish by more than its photograph. What made it satisfying? The delicacy of the pasta? The warmth of the broth? The sense that someone had done a familiar task with great care?
Those are useful things to carry into your next Italian meal. And if Bologna has persuaded you to take lunch more seriously, I would call that progress.