Prepare the Aromatics: In a large mixing bowl, combine the finely grated onion and minced garlic. The aroma will be wonderfully pungent and fresh. This step is crucial for distributing flavour evenly and ensuring no large chunks of onion interrupt the burger's smooth texture.

Soak the Breadcrumbs: In a small bowl, combine the fresh breadcrumbs with the milk. Let it sit for 2-3 minutes until the breadcrumbs have softened and absorbed the milk, creating a moist, paste-like consistency. This hydration step is key to binding and retaining moisture in the burgers.

Combine Ingredients: Add the ground chicken mince, the soaked breadcrumb mixture, the lightly beaten egg, chopped fresh parsley, dried oregano, smoked paprika, cayenne pepper (if using), salt, and black pepper to the large mixing bowl with the onion and garlic. The mixture will begin to look colourful with the green parsley and red paprika.

Mix Gently: Using clean hands, gently mix all the ingredients together until just combined. Be careful not to overmix, as this can lead to a tough burger. The mixture should feel cohesive but still tender, with all ingredients evenly distributed. You’ll notice the mixture becoming slightly sticky.

Form the Patties: Divide the mixture into four equal portions. Gently form each portion into a patty, about 2cm thick and slightly wider than your burger buns. Create a shallow indentation in the centre of each patty with your thumb. This little trick helps prevent the burgers from bulging in the middle as they cook, ensuring an even thickness. The patties should feel firm enough to hold their shape but still soft to the touch.

Cook the Burgers: Heat the olive oil in a large frying pan or skillet over a medium heat until it shimmers. Carefully place the chicken patties into the hot pan, leaving enough space between them. You should hear a gentle sizzling sound as they hit the pan. Cook for 6-8 minutes on the first side, until the bottom is a lovely golden brown and releases easily from the pan.

Flip and Finish: Flip the burgers over. Reduce the heat slightly to medium-low, cover the pan, and continue to cook for another 7-9 minutes, or until the internal temperature reaches 74°C (165°F) and the juices run clear. The burgers will be firm to the touch, and the exterior will be a rich, inviting brown.

Rest and Serve: Remove the cooked burgers from the pan and let them rest on a plate for 5 minutes. This allows the juices to redistribute, ensuring maximum juiciness. While they rest, you can toast your burger buns. Serve hot with your favourite toppings and sides.