01 -
Combine 50 ml chicken stock and ½ teaspoon gelatin powder in a microwaveable bowl. Allow to bloom for 5–10 minutes, then microwave in 20-second intervals until completely dissolved. Chill in the refrigerator for 3 hours until set, then break into small pieces if using.
02 -
Heat a frying pan over medium heat, melt 1 teaspoon butter, and add 100 g finely diced onion. Sauté until softened and lightly golden. Add 100 g ground beef (or beef/pork blend) and cook thoroughly until browned.
03 -
Stir in ½ tablespoon mirin and 1 tablespoon Worcestershire sauce. Continue to cook until the liquid has nearly evaporated. Remove from heat and allow mixture to cool to room temperature.
04 -
In a small bowl, soak 3 tablespoons panko breadcrumbs in 1½ tablespoons whole milk until moistened.
05 -
Place 150 g ground beef (or blend) into a mixing bowl. Add a pinch of salt and black pepper, the panko-milk mixture, 1 egg yolk, ½ teaspoon tomato ketchup, 1 teaspoon sugar, 1 pinch ground nutmeg, and the cooled onion-meat mix. Incorporate optional chicken stock jelly if using. Mix until uniform.
06 -
Divide the mixture into 4 equal portions and shape each into an oval disc. Arrange on a tray, cover, and refrigerate for 30 minutes to firm.
07 -
Place 85 g all-purpose flour on one plate, 1 whisked egg on a second, and 150 g panko breadcrumbs on a third plate.
08 -
Coat each chilled patty in flour, shaking off excess, then dip in whisked egg and coat with panko breadcrumbs. Repeat egg and panko coating once more for extra crunch, pressing gently to secure crumbs.
09 -
Preheat neutral oil in a deep pan to 160°C. Fry patties for 2 minutes on each side, working in batches to avoid overcrowding.
10 -
Remove patties to a wire rack. Raise oil temperature to 180°C and return patties to the oil. Fry each side for another 1–2 minutes until deep golden and crisp. Transfer to a rack to drain excess oil.
11 -
In a bowl or small jug, mix 1 tablespoon tomato ketchup, 1 tablespoon Worcestershire sauce, 1 teaspoon oyster sauce, a dash of olive oil, and a dash of rice vinegar.
12 -
Plate patties, drizzle with sauce, and sprinkle with dried parsley. Serve immediately.