The best kind of hole-in-the-wall restaurants are home to a relaxed atmosphere and delicious bites. Discover the best hole-in-the-walls to dine at in Chicago.

While Uptown is probably the most well-known neighborhood for some of the city’s best phở, bún bò Huế, and bánh bèo, great Vietnamese food can be found all over Chicago. That is, if you know where to ...