To make the burgers, whiz the chicken in a food processor until it resembles mince, then empty into a large bowl and mix in the mustard, 1tbsp of the honey, the breadcrumbs, egg, lemon zest and ...

Place a lettuce leaf and a slice of tomato on top, then add a burger, a slice of cheese, and a dollop of the mustard mayonnaise. Top with a few gherkin and red onion slices, then place the top ...