Why does normal urine smells like nutty?

See my remaks. As a Urologist who has had the occasion to smell urine more than a thousand times,I hven't smelled a nutty on..But what is the urine ? It is the byproduct of what we eat and drink. If you eat a lot of garlic ,the urine MAY have a garlic odor.Some people may have a discernible sense of smell,hence can notice /pick-up any variation in color of smell of urine. Nothing to worry about.