To serve, you will need slices of cheddar cheese, burger buns, and crisp lettuce leaves. In a large bowl, combine the ground beef, egg, 1 tablespoon of fajita seasoning, chili flakes, onion powder ...

Meanwhile, mix the beef mince with the ... mixture in the pan to check the seasoning and adjust if necessary. With wet hands, shape the mixture into four burgers, or more depending on the size ...

Tip into a bowl and mix well with the pork or beef, coriander, zest and juice of lime and plenty of seasoning. Shape the mixture into burgers and if have time chill until ready to cook.