Step 1

Place chicken, yogurt, lemon juice, olive oil, vinegar, salt, pepper, and oregano in a bag and let marinate for at least 30 minutes, preferably 2-4 hours. The ideal time is 24 hours.

Step 2

Stir together yogurt, olive oil, lemon juice, vinegar, salt, dill, and garlic. Stir in grated cucumber after squeezing to remove excess water. Adjust seasonings to taste.

Step 3

Place tomatoes, cucumbers, red onion, parsley, olive oil, salt, and pepper in a bowl. Stir to coat and adjust seasoning to taste. Add feta cheese.

Step 4

To grill: Thread chicken onto skewers and heat grill to medium. Cook for 5-7 minutes per side or until fully cooked. To use a skillet: Heat skillet to medium-high and add oil. Cook chicken for 8-10 minutes or until fully cooked and golden brown.

Step 5

Place chicken in warmed pita bread. Top with tzatziki sauce and Greek salad. Add additional feta, if desired.