Soak and wash the blossoms (little bugs like to hide inside sometimes!)
Drain off the water and thoroughly pat dry between a dishtowel.
Fill the jar 1/2 to 2/3 full of chive blossoms
Pour the vinegar in a small saucepan and warm over medium heat. (Don’t let it boil– keep it just below a simmer)
Pour the warm vinegar over the blossoms, and stir thoroughly. You can crush or mash the blossom just a bit to help them release their flavor.
Cap the jar (I like to use a plastic lid to avoid corrosion from the vinegar) and place in a cool, dark place for 2-3 weeks to steep.
Strain out the blossoms and store the finished chive blossom vinegar in your cabinet. It should last many months!