Smash burgers recipe

Method

1. Mix everything together for the burger sauce until smooth, then set aside.
2. Place a large, heavy-based frying pan or skillet over a high heat, then cut 4 squares of baking paper to about 15 x 15cm. Next, use your hands to gently divide each of the burgers into two and, using a light touch, form the rough edges into a patty shape (they don’t need to be smooth), to make four burgers.
3. Brush the frying pan with a little oil and, once smoking hot, add two of the burgers. Working quickly, sprinkle half the onion over the burgers, top each with a square of parchment and use a spatula to press down hard on each burger for 1 min, so that the burgers increase in diameter and form a deep, golden crust. Remove the paper and continue to cook for a further 2 mins.
4. Using your spatula, carefully flip the burgers, ensuring that you scrape up the crust from the pan. Lay the cheese slices over the flipped patties and cook for a further 2 mins until just cooked through but still juicy. Remove the burgers from the pan and keep warm. Add the buns to the pan, cut side down, for the final min. Repeat with the remaining burgers and buns.
5. To assemble, spread 1/4 of the burger sauce over the base of each bun. Top with a lettuce leaf, tomato, patty and gherkin before finishing with the bun lid.

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