INGREDIENTS
1/3 cup
plus 2 tablespoons extra-virgin olive oil
1
small yellow onion, quartered
1
small carrot, halved
1
celery rib, halved
12 oz
farro (1 3/4 cups)
5 cups
water
Kosher salt
3 tbsp
red wine vinegar
Freshly ground pepper
1/2
small red onion, thinly sliced
1
small seedless cucumber, halved lengthwise and thinly sliced crosswise
1 pint
grape tomatoes, halved
1/4 cup
chopped fresh basil