Sumac Potato Salad

Sumac Potato Salad tastes bright and lemony, with creamy potatoes, crisp red onion, and a tart pop that keeps you going back for another forkful. It suits weeknight dinners, potlucks, and picnics, and you can get it on the table in about 35 minutes. I fell for this combo on a road trip through Detroit shawarma spots, and I still crave it when the grill fires up.

Why You Should Try This Sumac Potato Salad

Sumac Potato Salad brings citrusy tang from ground sumac, fresh herbs, and a punchy vinaigrette that wakes up classic potato salad. You still get cozy comfort from tender potatoes, but the flavors feel lighter and sharper.

You can serve it mayo-free or fold in a spoonful of yogurt for a creamy twist. It travels well, sits happily at room temp for a bit, and pairs with just about anything off the grill.

Ingredients You’ll Need

  • Yukon Gold or red potatoes, 2 pounds, cut into 1 inch chunks
    • Yukon Gold gives a buttery bite; red potatoes hold shape best. Skip Russet since it crumbles.
  • Ground sumac, 2 to 3 teaspoons
    • I like Spicewalla or Penzeys; taste yours and adjust because tartness varies.
  • Extra virgin olive oil, 1/3 cup
  • Fresh lemon juice, 2 to 3 tablespoons
    • Or use 1 to 2 tablespoons red wine vinegar for a sharper edge.
  • Dijon mustard, 2 teaspoons
  • Garlic, 2 small cloves, grated or pressed
    • Pantry shortcut: use 1 teaspoon good jarred minced garlic.
  • Red onion, 1/2 medium, very thinly sliced
    • Swap in 2 shallots for a milder bite.
  • Fresh parsley, 1/2 cup chopped
    • Add mint or dill for extra herbiness.
  • Ground cumin, 1/2 teaspoon
    • Optional but tasty; a pinch of za’atar also works.
  • Kosher salt and black pepper
  • Optional add-ins: 2 tablespoons capers, 1 small cucumber diced, 1 roasted red pepper chopped, 1 teaspoon Aleppo pepper flakes
  • Optional creamy twist: 2 to 3 tablespoons plain Greek yogurt or mayo

Equipment:

  • Large pot and colander
  • Sheet pan or large tray for cooling
  • Large mixing bowl and whisk
  • Cutting board and chef’s knife
  • Microplane or garlic press
  • Measuring cups and spoons

How to Make Sumac Potato Salad

Prep and boil the potatoes

  • Scrub and cut the potatoes into 1 inch chunks. Place them in a pot and cover with cold water by 1 inch.
  • Salt the water generously so it tastes like the sea. Bring to a boil, then simmer until just tender, 12 to 15 minutes.
  • Pierce a chunk with a paring knife. If it slides off easily, you are good to go.

Make the sumac dressing

  • Whisk olive oil, lemon juice, Dijon, garlic, cumin, 1.5 teaspoons sumac, 1 teaspoon salt, and several grinds of pepper.
  • Taste and adjust acid or salt. The dressing should taste bold because the potatoes will mellow it.

Cool and season the potatoes

  • Drain the potatoes and spread them on a sheet pan. Let steam escape for 3 to 5 minutes so they dry a bit.
  • Drizzle 2 tablespoons of dressing over the warm potatoes and toss gently. Warm potatoes soak up flavor like champs.

Soften the onion

  • Toss the sliced red onion with 1 tablespoon lemon juice or a splash of the dressing. Let it sit for 5 minutes.
  • This quick soak takes the edge off and keeps the crunch.

Toss and marinate

  • Add potatoes, onions, parsley, and any add-ins to a large bowl. Pour over most of the remaining dressing.
  • Toss gently to coat, then let the salad rest for 10 minutes so flavors mingle.

Finish and adjust

  • Sprinkle the remaining sumac over the top for color and zing. Add more salt, pepper, or lemon to taste.
  • For a creamy style, fold in yogurt or mayo now. Serve slightly warm or chilled.

Tips & Tricks

  • Start potatoes in cold water so they cook evenly and keep their shape.
  • Salt the cooking water well to season the potatoes from the inside out.
  • Cut uniform chunks so everything finishes at the same time.
  • Dress the potatoes while warm to lock in flavor.
  • Tame sharp onion by soaking slices in cold water with a splash of vinegar for 5 minutes.
  • Add herbs at the end so they stay bright and fresh.
  • Taste your sumac and adjust; some batches skew extra tart.
  • Batch the dressing in a jar and stash it in the fridge for quick weeknight salads.
  • Short on time? Use pre-cooked vacuum-packed baby potatoes and slice them in half.
  • Turn leftovers into a crispy breakfast hash with a skillet and a fried egg.

What to Serve with Sumac Potato Salad

This salad loves anything grilled, like chicken thighs, salmon, shrimp, or veggie skewers. It also plays nicely with falafel, shawarma-spiced tofu, and juicy tomatoes with cucumbers and tahini. Warm pita, olives, and a simple chopped salad round out a picnic spread.

Make-Ahead and Storage

Chill the salad in an airtight container for up to 4 days. The flavor deepens overnight, so plan a quick splash of lemon and a pinch of salt before serving. Keep herbs extra fresh by folding in a handful of new parsley right before you eat.

I do not recommend freezing, since potatoes turn mealy after thawing. If you prefer it warm, bring the salad to room temp, then rewarm gently in a skillet with a little olive oil. If you add yogurt or mayo, keep it nicely chilled and limit time at room temp to 2 hours.

Sumac Potato Salad
Ally Sanders

Sumac Potato Salad

Sumac Potato Salad is a bright and tangy side dish made with tender potatoes, fresh herbs, and a lemony sumac dressing—perfect alongside grilled meats or as part of a mezze-style spread.
Prep Time 20 minutes
Cook Time 20 minutes
Total Time 40 minutes
Servings: 6
Course: Salad
Cuisine: American

Ingredients
  

  • 2 pounds waxy potatoes (Yukon Gold or red), scrubbed and cut into 1-inch chunks
  • 1 1/2 teaspoons kosher salt, plus more to taste
  • 1/4 cup extra-virgin olive oil
  • 3 tablespoons fresh lemon juice
  • 1 1/2 tablespoons ground sumac
  • 1 tablespoon red wine vinegar
  • 2 cloves garlic, finely minced
  • 1 teaspoon Dijon mustard
  • 1/2 teaspoon freshly ground black pepper
  • 1/4 teaspoon ground cumin
  • 1/4 cup red onion, finely chopped
  • 1/4 cup fresh parsley, chopped
  • 2 tablespoons fresh dill, chopped
  • 2 tablespoons fresh mint, chopped
  • 1/4 cup thinly sliced scallions

Instructions
 

  1. Place the potato chunks in a large pot and cover with cold water by about 1 inch. Add 1 1/2 teaspoons kosher salt.
  2. Bring to a boil over medium-high heat, then reduce to a gentle simmer and cook 10–15 minutes, until the potatoes are just tender when pierced with a fork but not falling apart.
  3. Drain the potatoes well and spread them out on a tray or large baking sheet to steam-dry for 5–10 minutes.
  4. While the potatoes cook, whisk together the olive oil, lemon juice, sumac, red wine vinegar, minced garlic, Dijon mustard (if using), black pepper, and cumin (if using) in a large bowl to make the dressing. Adjust salt to taste.
  5. Add the warm potatoes to the bowl with the dressing and gently toss to coat, taking care not to break them up too much.
  6. Fold in the red onion, parsley, dill, mint, and scallions. Taste and adjust seasoning with additional salt, pepper, lemon juice, or sumac as desired.
  7. Let the salad sit for at least 15–20 minutes at room temperature to allow the flavors to meld, or chill for up to several hours before serving.
  8. Serve slightly warm or at room temperature as a side salad.

Notes

Nutrition Information
Approximate per serving (1/6 of recipe): 210 calories; fat 9 g; saturated fat 1.5 g; carbohydrates 30 g; fiber 3 g; sugars 2 g; protein 4 g; sodium 320 mg. Values will vary based on exact potato type, oil brand, and portion size.