Yogurt with Shallots, Mint, and Rose Petals

Mást’o musir is “yogurt with musir,” meaning the wild Persian shallot, Allium hirtifolium, which has a somewhat garlicky flavor. It’s mostly sold and used in dried form, but drying any allium gives it a crude edge that’s different from the fresh. I don’t know mást’o musir firsthand in Iran, and elsewhere you probably can’t find fresh musir. (It might be…