Tuna & bean salad
For the vinaigrette
To make the vinaigrette, put all the ingredients in a screwtop glass jar, seal tightly and shake well.
To make the salad, put the tuna in a bowl and flake with a fork. Toss in the spring onions and celery, then stir in the beans and capers.
Pour the vinaigrette over, add the parsley and toss to distribute the dressing evenly. Cover and chill until ready to serve.