The aroma of this innocent-looking cup of durian (top photo, small, $2.25) was more floral than pungent. Black sesame, which I sampled, was actually more assertive; No. 1 also makes a nice ube and an excellent lychee.
Another winner: avocado (bottom).
No. 1 Ice Cream
6410 Eighth Ave. (64th-65th Sts.), Sunset Park, Brooklyn