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side view of grilled chicken burger with lettuce, onion, tomato and avocado

Greek Chicken Burger with Feta

Juicy and flavourful grilled chicken breast in a brioche bun smothered with feta and tzatziki, then layered with lettuce, onion, tomato and avocado this Greek chicken burger is a summer BBQ hit!
5 from 3 votes
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Course: Main Course
Cuisine: American Greek fusion
Keyword: chicken burger
Prep Time: 30 minutes
Cook Time: 15 minutes
Marinating Time: 3 hours
Servings: 4
Calories: 520kcal


  • 1 ½ lemons juice and zest
  • 2 cloves pressed garlic or 1 tsp garlic powder
  • 1 tsp dried oregano
  • 1 tsp paprika
  • 1 tsp salt
  • 1 tbsp olive oil
  • 2 chicken breasts cut in half lengthwise
  • 125g/1/2 cup feta cheese
  • 2 tbsp Greek yogurt plain
  • 125 ml/1/2 cup Tzatziki
  • ½ onion
  • 1 tomato
  • 4 leaves lettuce
  • 1 avocado
  • 4 hamburger buns


  • Cut the chicken breasts in half lengthwise. Mix the juice and zest of lemons, pressed garlic, oregano, parika, salt and olive oil, pour all over chicken breasts and marinate for at least 3 hours or overnight.
  • Preheat the grill. Meanwhile, prepare the toppings. Make the feta spread by breaking up feta cheese with a fork into a paste, it doesn't have to be smooth, then combining it with the Greek yogurt. Make the tzatziki following this recipe or use a store bought version. Slice the onions, tomatoes, avocado and wash and dry the lettuce leaves.
  •  Place the chicken breasts on a preheated grill on high heat and grill for 2 minutes on each side, then move to the indirect heat, cover the lid of the BBQ and cook for 5-7 minutes until cooked all the way through and the internal temperature reads 165F/74C. Rest for 5 minutes before using in a burger.
  • Assemble the burgers by spreading 1-2 tbsp of the feta spread on the bottom of a toasted burger bun, top with a lettuce leaf, grilled chicken breast, onions, then slices of tomatoes and avocados. Finish with 1-2 tablespoons of Tzatziki sauce and the top of the bun. Serve immediately.


Calories: 520kcal | Carbohydrates: 37g | Protein: 37g | Fat: 26g | Saturated Fat: 8g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 10g | Trans Fat: 1g | Cholesterol: 105mg | Sodium: 1434mg | Potassium: 930mg | Fiber: 7g | Sugar: 8g | Vitamin A: 899IU | Vitamin C: 34mg | Calcium: 318mg | Iron: 3mg