Ingredients
Method
- Cut the boiled and cooled potatoes into small chunks. Put them in a mixing bowl.
- Remove the skin of the smoked mackerel, then tear the flesh into small pieces. Add these to the potatoes.
- Chop the salad onion, beetroot and gherkin. Add these to the salad.
- Add the oil, vinegar and season to taste. Toss gently.
- Finally, add some grated horseradish, if liked.