Prep. time: A few minutes
Cooking time: 20 minutes

Making the salad

1. peel the cucumbers and halve lengthwise; seed and cut into half slices; 
2. combine with the sour cream; season and set aside. 

Fried onions

1. slice the onions very thinly on a mandolin; 
2. moisten with the milk;
3. coat with flour: place 250 ml (1 cup) flour in a bag to begin; add some of the onions; shake to coat each onion well; deep fry in hot oil; 
4. repeat with the remaining onions; remove from the oil when golden; 
5. place on top of the cucumbers; sprinkle with salt and serve immediately.