Ingredients
1
tsp cumin seeds, toasted
3
medium red onions, cut into 1-inch pieces
3
tbsp chopped fresh cilantro
Directions
1.
Bring vinegar, sugar, cumin, and salt to a boil in a 2-quart nonreactive heavy saucepan, then reduce heat and simmer, stirring occasionally, 5 minutes. Add onions and simmer, stirring occasionally, 2 minutes, then transfer to a bowl and cool. Stir in cilantro.
3.
Pickled onions can be made 1 week ahead and chilled, covered.