• 2 lb boneless skinless chicken breast
• 1 onion chopped
• 2 cloves garlic minced
• 1 teaspoon dried oregano leaves
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 3 tablespoons olive oil
• 1 tablespoon red wine vinegar
• Juice of 1/2 medium lemon
• 1/3 cup water

Tzatziki Sauce:

• 2 cups plain greek yogurt
• 1 cucumber finely grated
• 2 to 3 cloves garlic minced
• 1 tablespoon white wine vinegar
• 1 teaspoon dried dill weed
• 1 teaspoon dried oregano leaves
• Salt and pepper to taste
• Juice of 1/2 medium lemon
• 1 tablespoon extra-virgin olive oil

Options for serving:

• warm pita bread
• red onion
• red pepper
• romaine lettuce
• cucumber diced
• sliced tomatoes