The finished recipe. Chicken Souvlaki in a PittaIngredients 1 to 6. 160 g Chicken breast (Cut into 3 cm chunks so they all cook in the same time. Weighed raw. The same piece weighed after cooking has lost water, so the protein per gram is higher and the total would come out about a quarter over.). 5 g Olive oil. Of half a lemon Lemon juice. 1 clove, about 3 g Garlic. A teaspoon Dried oregano. 1 pitta, about 60 g Wholemeal pittaIngredients 7 to 11. 50 g Tzatziki. 100 g Tomato. 40 g Red onion. 50 g Little gem lettuce. To taste SaltStep 1. Toss the chicken with the oil, lemon, crushed garlic, oregano and salt and leave it for at least thirty minutes.Step 2. Thread onto two skewers and grill under a hot grill or on a griddle pan for ten to twelve minutes, turning twice, until charred at the corners and no longer pink inside.Step 3. Warm the pitta for a minute in the toaster, split it, and spread the tzatziki inside.Step 4. Fill with the shredded lettuce, sliced tomato and onion, then pull the chicken off the skewers into the pitta.