1 cup chopped seeded peeled cucumber |
1/2 cup plain low-fat yogurt |
1 tablespoon chopped fresh dill |
1 tablespoon rice vinegar |
1/8 teaspoon salt |
3/4 cup uncooked bulgur |
1/2 cup boiling water |
2 tablespoons fresh lemon juice |
4 teaspoons olive oil, divided |
1/4 cup finely chopped green onions |
2 tablespoons chopped pistachios |
2 teaspoons ground cumin |
2 teaspoons ground coriander |
1/4 teaspoon salt |
1/4 teaspoon ground red pepper |
2 garlic cloves, minced |
1/4 cup chopped fresh parsley |
1 (15-ounce) can chickpeas (garbanzo beans), drained |
2 tablespoons all-purpose flour |
2 large egg whites, lightly beaten |
cooking spray |
6 (1 1/2-ounce) hamburger buns |
parsley sprigs (optional) |