Chicken Souvlaki with Tzatziki Sauce

http://www.myrecipes.com/recipe/chicken-souvlaki-with-tzatziki-sauce-10000000698653/

Makes 2 servings.

Ingredients

Souvlaki:
3 tablespoons fresh lemon juice
1 1/2 teaspoons chopped fresh or 1/2 teaspoon dried oregano
2 teaspoons olive oil
1/2 teaspoon salt
4 garlic cloves, minced
1/2 pound skinless, boneless chicken breast, cut into 1-inch pieces
1 medium zucchini, quartered lengthwise and cut into (1/2-inch-thick) slices
Cooking spray

Tzatziki Sauce:
1/2 cup cucumber, peeled, seeded, and shredded
1/2 cup plain low-fat yogurt
1 tablespoon lemon juice
1/4 teaspoon salt
1 garlic clove, minced

Preparation
To prepare souvlaki, combine the first 5 ingredients in a zip-top plastic bag; seal and shake to combine. Add chicken to bag; seal and shake to coat. Marinate chicken in refrigerator for 30 minutes, turning once. Remove chicken from bag; discard marinade. Thread the chicken and zucchini, alternately onto each of 4 (8-inch) skewers. Heat a grill pan coated with cooking spray over medium-high heat. Add skewers; cook 8 minutes or until chicken is done, turning once.
To prepare tzatziki sauce, combine cucumber, yogurt, 1 tablespoon lemon juice, 1/4 teaspoon salt, and 1 garlic clove, stirring well. Serve the tzatziki sauce with souvlaki.