Mediterranean Pearled Couscous Salad

Ingredients

• 1/4 cup chopped fresh basil
• 1 tablespoon lemon zest
• 1 cup quartered cherry tomatoes
• 1 large shallot
• 15 ounces can chickpeas
• 1 cup pearled couscous
• 1/3 cup halved Kalamata olives
• 1/2 teaspoon freshly ground black pepper
• 1/2 cup crumbled Feta , plus additional for serving
• 5 tablespoons plus 2 teaspoons extra-virgin olive oil
• 2 tablespoons fresh lemon juice
• 1/2 teaspoon kosher salt
• 1 -1/4 cups water
• 1/2 cup roughly chopped baby arugula
• 1 clove garlic