Potato salad with sweet onion dressing

Potato salad with sweet onion dressing

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(12 ratings)

Prep: 10 mins Cook: 15 mins


Serves 8
Perfect picnic food, the longer the potatoes are left the more flavour they absorb - it's also great hot

Nutrition and extra info

  • Easily halved
  • Vegetarian

Nutrition: per serving

  • kcal137
  • fat5g
  • saturates1g
  • carbs23g
  • sugars4g
  • fibre2g
  • protein3g
  • salt0.04g


  • 1kg new potato (try a pink variety such as Pink Fir or Anya)
    New potatoes

    New potatoes

    n-ew po-tate-oes

    New potatoes have thin, wispy skins and a crisp, waxy texture. They are young potatoes and…

  • 2 red onions, finely chopped
  • 2 garlic cloves, crushed
  • 3 tbsp olive oil
    olive oil

    Olive oil

    ol-iv oyl

    Probably the most widely-used oil in cooking, olive oil is pressed from fresh olives. It's…

  • 1 tbsp balsamic vinegar
    Balsamic vinegar

    Balsamic vinegar

    bal-sam-ick vin-ee-gah

    True Balsamic vinegar is an artisan product from Modena, in Emilia Romagna, Italy, and is made…

  • 1 tbsp cider vinegar
  • ½ tsp sugar



    Honey and syrups made from concentrated fruit juice were the earliest known sweeteners. Today,…


  1. Boil potatoes in salted water for 10-15 mins until tender. While the potatoes are cooking, mix together the remaining ingredients to make the dressing. Drain the potatoes and while still hot, mix together with the dressing.

  2. Tip into a secure container to take with you.

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Comments, questions and tips

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hungry eyes's picture
hungry eyes
27th Dec, 2018
Made this to take round on Boxing Day, and really wished I hadn't deviated from a more traditional potato salad recipe. I felt there was too much onion to potato, leaving a harsh taste, the sweetness didn't come through. I suspect this might be down to the natural sweetness (or not) in the onions? Also really vinegary, I ended up adding mustard mayo to make it palatable, despite not being a mayo fan.
29th Apr, 2013
I always make this now whenever I'm having a barbecue or am bringing food to a party. Always goes down very well with everyone!
11th Aug, 2012
As I can't stand mayo, it's great to find a really tasty potato salad recipe that doesn't need it. This will become a summer/party favourite for sure!
hurkydoesntknow's picture
23rd Jul, 2014
I can't stand mayo, either. I can't wait to try this!
28th May, 2012
Made this for a picnic today. Only modified slightly - used barely any oil at all and warmed all the dressing ingredients in a pan before pouring over potatoes. I also used one large red onion instead of small and red wine vinegar instead of cider. Went down a treat with everyone, I will make it again!
13th Jul, 2011
This was so easy, and very very tasty- just as nice cold the next day! Went down a treat with dinner guests! I heated the dressing in microwave first so sugar started to dissolve then poured over onions and left on a low temp for about 30 mins before serving- otherwise sugar didn't really do anything!
5th May, 2011
this was lovely & really nice with some mayonnaise added aswell.....
28th Sep, 2010
I like the sour dressing! It's a wonderful dish with red meat.
14th Jul, 2009
I was disappointed to be honest. I left mine overnight, and then ate them cold as part of a 'pot luck' lunch, but they hadn't really taken on much flavour.
10th Jul, 2009
yummy! yummy! yummy! wonderful hot or cold. I did half the onions as the required amount was too much. wonderful on a picnic. a nice change from boring mint and butter in new potatoes


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