Garden Chicken Burger

Name: Garden Chicken Burger
Ingredients: 1 pound ground lean chicken; 1/2 cup finely grated zucchini; 1/2 cup finely grated carrot; 4 chopped scallions, white and green, chopped; 1/4 cup hummus; 1/4 cup chopped flat-leaf parsley; 2 cloves garlic, minced; 2 teaspoons ground coriander; 1 teaspoon ground cumin; Kosher salt and freshly ground pepper; 1 tablespoon extra-virgin olive oil; 4 whole wheat burger buns or pitas, for serving; Sliced tomato, cucumber, lettuce, red onion, and some plain yogurt, for serving