Add the burgers and cook over moderately high heat, turning once, until no longer pink inside, 10 minutes. Meanwhile, in a small bowl, mix the mayonnaise with the remaining 1 teaspoon of lemon ...
Place half a lettuce leaf on each bun half and top with a salmon burger, some fennel, dill cucumber and a spoonful of lemon and caper mayonnaise.
lemon juice and plenty of salt and black pepper. Add the gram flour and mix well until everything starts to stick together. Divide the mixture into four, then form each quarter into a burger shape ...