- 1 pound young carrots, any color, trimmed, peeled
- 1 shallot, peeled, quartered
- 4 garlic cloves, peeled
- 2 red or green Thai chiles
- 2 sprigs tarragon
- 1 tablespoon black peppercorns
- 1 tablespoon coriander seeds
- 1 cup unseasoned rice vinegar
- 1 cup sugar
- 1 tablespoon kosher salt
- Pack carrots, shallot, garlic, chiles, tarragon, peppercorns, and coriander seeds in a large heatproof jar.
- Bring vinegar, sugar, salt, and 2 cups water to a boil in a medium saucepan, whisking to dissolve sugar and salt.
- Pour pickling liquid over carrots to cover. Let cool; cover and chill at least 24 hours.
- Do ahead: Carrots can be pickled 5 days ahead. Keep chilled.