-
1
FOR THE ONION:.
-
2
Slice into thin rings, and place in a bowl of cold water.
-
3
Squeeze with your hands for 3-4 seconds, releasing milky liquid into the water.
-
4
Drain and cover with fresh cold water.
-
5
Let sit for 10 minutes.
-
6
Repeat the squeezing and draining 2 - 3 more times before making the salad.
-
7
Drain the onion pieces thoroughly and pat them dry.
-
8
FOR THE SALAD:.
-
9
Put the beans and onion into a serving bowl, sprinkle liberally with salt, and toss.
-
10
Drain the tuna and add it to the bowl, breaking it into large flakes with a fork.
-
11
Pour on enough oil to coat well, toss thoroughly.
-
12
Add a dash of vinegar and a generous quantity of black pepper, toss thoroughly, turning over the ingredients several times.
-
13
Taste and correct for seasoning.
