Quinoa Chickpea Tabbouleh Salad

Name: Quinoa Chickpea Tabbouleh Salad
Ingredients: ½ cup quinoa ((preferably white, see notes)); 15 oz. canned chickpeas; 1 cup chopped parsley ((about one bunch from the store)); ¼ cup chopped fresh mint ((optional, but recommended!)); 1 large tomato (diced (see notes)); 4 green onions (thinly sliced (about ½ cup)); 1 medium cucumber (seeded and diced); ¼ cup extra-virgin olive oil (plus more for serving as needed); 2 tablespoons fresh lemon juice, plus the zest ((from about 1 small lemon)); kosher salt and fresh cracked black pepper (to taste)