Preparation
Step: 1/10
Place the egg yolk and mustard in a bowl.
![](https://blog.liebherr.com/wp-content/lh-recipe-images/000381/000381_step_1_M.jpg)
Step: 2/10
Stir well with a whisk.
![](https://blog.liebherr.com/wp-content/lh-recipe-images/000381/000381_step_2_M.jpg)
Step: 3/10
Add the oil slowly, whisking constantly, until it forms a smooth mayonnaise.
![](https://blog.liebherr.com/wp-content/lh-recipe-images/000381/000381_step_3_M.jpg)
Step: 4/10
Pat the capers and anchovies dry and finely chop.
Step: 5/10
Wash the herbs, shake dry and finely chop.
![](https://blog.liebherr.com/wp-content/lh-recipe-images/000381/000381_step_4_M.jpg)
Step: 6/10
Peel and finely chop the shallot. Finely dice the cucumber.
![](https://blog.liebherr.com/wp-content/lh-recipe-images/000381/000381_step_5_M.jpg)
Step: 7/10
Add everything to the mayonnaise.
![](https://blog.liebherr.com/wp-content/lh-recipe-images/000381/000381_step_6_M.jpg)
Step: 8/10
Stir.
![](https://blog.liebherr.com/wp-content/lh-recipe-images/000381/000381_step_7_M.jpg)
Step: 9/10
Squeeze the juice of the lemon.
Step: 10/10
Season the sauce with lemon juice, salt and pepper.