Ingredients

• 1 cup orzo
• 1 medium cucumber, peeled, halved lengthwise, seeded, and sliced into 1/4-inch-thick half-moons
• 12 oz. halved grape tomatoes (about 2 cups)
• 1/2 cup mixed chopped fresh tender herbs (such as parsley, mint, and basil)
• 1/4 cup finely chopped sweet onion
• 3 Tbs. extra-virgin olive oil
• 1 Tbs. white-wine vinegar, more to taste
• Kosher salt and freshly ground black pepper
• 4  oz. crumbled feta (about 1 cup)