Cucumber, Tomato and Feta Salad

INGREDIENTS

• 1/4 cup fresh lemon juice
• 6 tablespoons extra-virgin olive oil
• 1 bunch scallions, chopped
• Kosher salt and freshly ground black pepper
• 2 large tomatoes (about 1 pound total), coarsely chopped
• 1 7-ounce package feta, crumbled, divided
• 6 cups coarsely chopped English hothouse or Persian cucumbers (about 2 pounds total)
• 1/2 cup coarsely chopped fresh mint
• 1 cup assorted pitted olives (such as Kalamata or Gaeta), halved