Step: 1/10

Place the egg yolk and mustard in a bowl.

Step: 2/10

Stir well with a whisk.

Step: 3/10

Add the oil slowly, whisking constantly, until it forms a smooth mayonnaise.

Step: 4/10

Pat the capers and anchovies dry and finely chop.

Step: 5/10

Wash the herbs, shake dry and finely chop.

Step: 6/10

Peel and finely chop the shallot. Finely dice the cucumber.

Step: 7/10

Add everything to the mayonnaise.

Step: 8/10


Step: 9/10

Squeeze the juice of the lemon.

Step: 10/10

Season the sauce with lemon juice, salt and pepper.