Thanks for the suggestions, will have to try the lentil soup at Taste of Lebanon and Larsa's some time. I've had the soup at Pita Inn a couple of times and it's pretty good, chunky like Semiramis's and with bits of veggies, though it's such a *small* serving, imo

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Here's my list, in order of preference, of lentil soups I've had so far. This includes only yellow lentil soup. I've had the lentil soup at Reza's before but I think it was made of the large greenish brown lentils rather than the orange/yellow. I think the same goes for Aladdin's soup.
Al-Khayameih (divine...gonna be near impossible to trump)
Sultan's
Cedar's
Semiramis
Pita Inn/Couscous (tied)
Alma Pita
Pita Express
Places that are on my list to try:
Taza (love their falafel, haven't had the lentil soup yet)
the northside Couscous location
Baba Pita
Babylon
Middle Eastern Bakery (don't know if they even have soup)
Taste of Lebanon
Larsa's
Fattoush
any other place on the Kedzie strip I've missed (Noon o Kabab etc.) that would have soup
If anyone has more suggestions, please feel free to let me know

Man, I hope the soup at Salam's comes back.