Mediterranean Couscous Salad

Ingredients

• 1 cup hummus
• 1/4 cup plus 2 tablespoons extra-virgin olive oil
• 3 tablespoons white wine vinegar
• kosher salt
• freshly ground black pepper
• 3 cups dry couscous
• 3 cups water
• 1 medium red bell pepper, cored, seeded, and cut into small dice
• 1/2 cup roasted, salted pistachios, coarsely chopped
• 1/4 cup finely chopped fresh mint leaves
• 1/4 cup finely chopped scallions (from about 4 medium scallions), white and light green parts only
• 1 cup crumbled feta cheese (about 6 ounces)
• kosher salt
• freshly ground black pepper