one in a thousand/hundred/million
unique, one of a very few
I only had a one in a million chance of finding my ring which I dropped into the lake.
Forever Young Naturally Eating
Eating from Scratch Colorful stir fries
Stir together finely sliced colorful vegetables: carrots, red onions, red, orange, and yellow peppers, broccoli, and kale. Throw in a handful of sliced almonds and some green beans. Experiment by adding beansprouts, noodles, seaweed, seafood, or tofu.