The finished recipe. Greek Chicken Burgers with Tzatziki, No BunIngredients 1 to 6. 160 g Chicken breast mince (Weighed raw.). 20 g Feta (Crumbled into the mince. Twenty grams salts and moistens the whole patty; more makes it fall apart.). 30 g Red onion. A teaspoon Dried oregano. 1 clove, about 3 g Garlic. A little Lemon zestIngredients 7 to 12. 4 sprays, about 1 g Olive oil spray (Counted at a quarter of a gram per spray, which is what the nozzle on most bottles delivers. Four sprays is 9 kcal.). 40 g Tzatziki. 120 g Tomato. 80 g Cucumber. A few leaves Fresh mint. Plenty Black pepperStep 1. Mix the mince with the feta, finely chopped onion, oregano, garlic, zest and pepper, and shape into two patties about 2 cm thick. Chill for ten minutes.Step 2. Spray a griddle or frying pan, heat it well, and cook the patties for five minutes a side until marked and firm with no pink at the centre.Step 3. Chop the tomato and cucumber with the mint and a pinch of salt.Step 4. Serve the patties on the salad with the tzatziki spooned over.