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Red potato salad gets a lot better when the dressing tastes bright instead of heavy. The potatoes stay tender but hold their shape, and the Greek yogurt brings a clean tang that keeps each bite from feeling weighed down. With dill, green onion, and celery in the mix, the salad lands somewhere between classic picnic comfort and something you’d actually want to go back for seconds on.

The trick here is balancing creaminess with acidity. Red potatoes work well because their waxy texture holds together after boiling, and that matters more than people think once the dressing goes in. The yogurt and mayonnaise blend gives you body without the dense, greasy finish that can dull the herbs and vegetables. A little Dijon and white wine vinegar sharpen everything up, so the salad tastes finished even after it chills.

Below you’ll find the exact cues I use to keep the potatoes from turning mushy, plus the small ingredient swaps that still keep this salad light and balanced. The chilling time matters too, because the dressing settles into the potatoes instead of sliding off them.

The Reason This Potato Salad Stays Creamy Without Going Heavy

The biggest mistake in lighter potato salad is trying to replace all the mayo and ending up with a thin, sharp dressing that slides off the potatoes. Here, the Greek yogurt handles the tang and most of the body, while the mayonnaise keeps the dressing smooth instead of chalky. That balance matters because potatoes need something that clings without smothering them.

Red potatoes are doing important work too. Their waxy flesh stays intact after boiling, which gives you those clean chunks instead of a bowl of mashed potatoes in dressing. If the potatoes are overcooked, no dressing can save the texture, so pull them as soon as a knife slides in with a little resistance.

What Each Ingredient Is Actually Doing In This Lighter Dressing

• Red potatoes — These hold their shape better than russets and give the salad a clean, hearty bite. Leave the skins on for color and texture. Cut them into even cubes so they finish cooking at the same time.
• Plain Greek yogurt — This is what makes the dressing feel light without turning watery. Full-fat or 2% both work well; nonfat can taste a little sharp. If you swap it for sour cream, the salad gets richer and less bright.
• Mayonnaise — A small amount keeps the yogurt from tasting flat and helps the dressing coat the potatoes smoothly. You don’t need much here. The salad still reads as lighter, but it doesn’t taste stripped down.
• Dijon mustard and white wine vinegar — These two ingredients wake up the whole bowl. Dijon adds depth, while vinegar sharpens the finish and keeps the dressing from tasting heavy after chilling. If you only have apple cider vinegar, use a little less because it’s louder.
• Dill, green onions, and celery — Dill brings the classic potato salad note, green onions add bite, and celery gives the salad a crisp edge. Chop them small so they don’t take over. Fresh dill matters here; dried dill won’t give the same clean herbal lift.

Building the Salad So the Potatoes Stay Intact

Cooking the Potatoes Until Just Tender

Start the potatoes in cold salted water, then bring the pot up to a boil so the cubes cook evenly from the outside in. Once they are tender enough for a paring knife to slide in, drain them right away. If they cook past that point, the outside starts to fray and the salad turns soft once you toss it.

Mixing the Dressing Before It Hits the Potatoes

Whisk the Greek yogurt, mayonnaise, Dijon, vinegar, salt, and pepper until the dressing looks smooth and loose. That lets the seasoning distribute evenly, which matters more than stirring it in later. If the dressing tastes slightly sharper than you want at this stage, that’s a good sign; the potatoes will mellow it once they chill.

Tossing Gently and Letting It Chill

Fold the warm or fully cooled potatoes with the dill, green onions, and celery, then add the dressing and toss just until coated. Don’t stir aggressively or the edges of the potatoes will break down. After that, the two-hour chill is not optional if you want the best texture. The salad tightens up, the herbs settle in, and the dressing clings instead of pooling at the bottom.

Three Smart Ways to Adjust This Potato Salad

Questions I Get Asked About This Recipe

Red Potato Salad (Light on Mayo)

Red potato salad (light on mayo) with a creamy Greek-yogurt dressing instead of heavy mayonnaise. Cubed red potatoes are boiled until tender, then tossed until lightly coated and chilled for a firmer, fresher bite.

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Prep Time 20 minutes mins

Cook Time 20 minutes mins

Chilling 2 hours hrs

Total Time 2 hours hrs 40 minutes mins

Servings: 8 servings

Course: Side Dish

Cuisine: American

Calories: 320

Ingredients Equipment Method Notes

Ingredients

  

Red potato salad (light on mayo)

• 3 lb red potatoes Cubed; aim for 1-inch pieces for even cooking.
• 0.5 cup plain Greek yogurt Use plain for the best savory balance.
• 0.25 cup mayonnaise Reduced amount for a lighter dressing.
• 2 tbsp Dijon mustard Adds tang and helps the dressing emulsify.
• 2 tbsp white wine vinegar Brightens and cuts through the richness.
• 0.25 cup fresh dill Chopped.
• 0.25 cup green onions Sliced.
• 0.5 cup celery Diced.
• 0.25 tsp salt To taste; start small and adjust.
• 0.25 tsp pepper To taste; use freshly ground if possible.

Equipment

• 1 Dutch oven

Method

 

Cook and cool the potatoes

1. Bring a large pot of water to a boil, then add the cubed red potatoes and boil until tender, 10-15 minutes, with a visible simmer. A fork should slide in with little resistance.
2. Drain the potatoes in a colander and let them cool until no longer steaming, 10-15 minutes, until matte and room temperature to the touch.

Make the Greek yogurt dressing

1. In a bowl, whisk the plain Greek yogurt, mayonnaise, Dijon mustard, white wine vinegar, salt, and pepper until smooth and thick enough to cling, 1-2 minutes, with no mustard streaks.

Toss and chill

1. Add the cooled potatoes, fresh dill, green onions, and celery to the bowl and fold gently until evenly distributed, 2-3 minutes, until the herbs look evenly speckled.
2. Pour the dressing over the potato mixture and toss until lightly coated, 2-3 minutes, so most potato surfaces have a thin, creamy sheen.
3. Cover and refrigerate for 2 hours, 120 minutes, until the salad firms up and flavors blend.

Notes

For best texture, keep the potato pieces similar in size so they cook evenly, and cool them to room temperature before mixing so the dressing stays creamy. Store covered in the refrigerator up to 3 days; the salad can be frozen only with reduced quality (not recommended). For a lighter swap, choose reduced-fat mayonnaise or use an all-Greek-yogurt variation if you want less total fat, keeping the vinegar and mustard the same for flavor.