The raw meat will form that crispy outer crunch ... or metal spatula. Since smash burger recipes are designed to be made ...

A burger-loving friend said these were one of the top two most delicious burgers he’s ever eaten. Now that is saying something! Onion bhajis fried till crispy, sandwiched between a sourdough bun ...

And a third said: "Finally, someone putting caramelised onions on a burger instead of raw onion. Caramelised is next level for flavour. That burger looks absolutely unreal!!!" ...

You must make Mary Berry's burger recipe. The crunchy ... They also freeze well raw. The slaw can be made up to 8 hours ahead.

Burgers can plump up in the centre while being cooked; to avoid this, make an indentation in the centre of each raw burger with your thumb. Serve with any of the serving suggestions above ...

If covered well individually in cling film, the raw burgers freeze well. Once the minced lamb is mixed with the other burger ingredients and seasoning, fry a small spoonful so that you can taste ...