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I guess I'm a little late with this but ..... if you mean noodles made of sesame, I don't know of any but I did have Chengdu Style Cold Noodles at China Sichuan Cuisine on Gessner @ Westpark last summer and I think it included sesame paste or oil in the sauce.
Is that what you were referring to?
Edit to add I just looked at the menu and they have Cold Sesame Noodle as an appetizer. I don't believe that was on the menu when I ate there - I had it off the side dish menu where it's called Chengdu Cold Noodle.