Cook frozen Birds Eye Deli Chips following packet directions.
Meanwhile, combine lamb, oil, oregano, lemon juice and zest in a bowl and thread onto 6 small bamboo skewers. Cook on a chargrill plate or BBQ until done to your liking.
Spread pita breads with tzatziki, top with lettuce, tomato, onion, lamb and Birds Eye Deli Seasoned Chips. Wrap to enclose filling and serve immediately. Serve extra Birds Eye Deli Seasoned Chips on the side.
Substitute lamb for chicken souvlaki, if desired.