01 -
Place potatoes in a large pot, cover with cold salted water, and bring to a gentle boil. Cook for 12–15 minutes until potatoes are fork-tender. Drain, peel if needed, and cut into uniform cubes. Cool to room temperature.
02 -
In a mixing bowl, whisk together mayonnaise, milk, prepared mustard, white wine vinegar, sugar, and sea salt until smooth and creamy. Taste and adjust seasoning as needed.
03 -
In a large bowl, add cooled potatoes, shredded cabbage, and cubed corned beef. Pour dressing over the mixture and toss gently to coat all ingredients thoroughly.
04 -
Cover the bowl with plastic wrap and refrigerate for at least 30 minutes to allow flavors to meld. Garnish with chopped parsley or chives just before serving.