This Lemon Dill Potato Salad is my go to when I want something bright, herb forward, and reliably crowd pleasing. I first put this together on a warm Memorial Day weekend when I wanted a lighter side for grilled fish. Instead of the usual heavy, creamy version I grew up with, I reached for olive oil, fresh lemon, red wine vinegar, and a generous handful of herbs. The result was a bowl that felt fresh, tasted layered, and left guests asking for the recipe. It has since become my potluck contribution and a picnic favorite.

The salad highlights the earthy sweetness of red potatoes balanced by tangy Dijon and lemon, with red onion adding crunch and a bite that cuts through the oil. Fresh dill makes this feel like a spring dish but it is equally welcome in summer because it does not sit heavy. I love that it keeps well, so I often make it a day ahead to let the flavors marry. When the sun is out and friends gather, this salad has that bright, fragrant note that keeps everyone coming back for more.

Ingredients

• Red potatoes: 5 to 6 medium red potatoes, roughly 2 pounds, scrubbed and left unpeeled for texture and color. Red potatoes hold their shape and have a waxy texture that becomes tender without falling apart. I look for firm, blemish free tubers for the best result.
• Red onion: 1/2 small red onion, finely chopped, about 1/4 cup. Use a sharp knife and slice finely so the onion flavors distribute evenly without overpowering the salad. If raw onion is too assertive try soaking the chopped onion in cold water for 10 minutes and drain before using.
• Olive oil: 1/4 cup extra virgin olive oil for richness and a fruity base. Choose a medium intensity oil that you enjoy on salads, not one that is overly peppery or smoky.
• Lemon juice: Juice of 1 lemon, about 1/4 cup fresh squeezed. Fresh juice is important here because bottled lemon juice lacks the bright aromatics that make this dressing pop.
• Dijon mustard: 2 tablespoons. Dijon helps emulsify the dressing and adds a gentle tang and depth. Look for a classic Dijon from a reputable brand for consistent flavor.
• Red wine vinegar: 1 1/2 tablespoons to balance the oil and lift the herbs.
• Garlic: 2 cloves finely minced. Small pieces distribute flavor; if you prefer a milder garlic background roast the cloves first.
• Fresh herbs: 3 tablespoons flat leaf parsley chopped, 3 to 4 tablespoons fresh dill chopped divided, and 1/4 teaspoon dried or fresh thyme. Dill is the star so be generous and reserve a little for garnish.
• Salt and pepper: To taste. Kosher salt works well for seasoning the potatoes as they cook and finishing the salad.

Instructions

Bring the water to a boil:Place a large pot of water on the stove and add a heaping tablespoon of salt. Bring to a rolling boil over high heat which helps season the potatoes from the inside as they cook.Prepare the potatoes:Scrub 5 to 6 medium red potatoes and slice them into roughly 1/4 inch rounds so that the pieces cook evenly. If some potatoes are larger, halve the slices to keep uniform thickness. Cutting into thin, even slices ensures a tender texture without overcooking.Cook the potatoes:Add the potato slices to the boiling water and cook for 15 to 20 minutes until fork tender. Check a few pieces at 15 minutes. You want them tender but not falling apart. Drain thoroughly in a colander and let them sit for a few minutes to steam off excess water which helps the dressing stick better.Make the vinaigrette:While the potatoes cook, whisk together 1/4 cup olive oil, juice of 1 lemon about 1/4 cup, 2 tablespoons Dijon mustard, 1 1/2 tablespoons red wine vinegar, 2 cloves minced garlic, 3 tablespoons chopped parsley, 1/4 teaspoon thyme, 3 tablespoons chopped dill, and salt and pepper to taste in a medium bowl. Whisk for a minute or two until the dressing is emulsified and slightly thickened.Combine and finish:Place the drained potatoes in a large serving bowl with the finely chopped 1/2 small red onion about 1/4 cup. Pour the vinaigrette over the warm potatoes and gently toss so slices remain intact. Taste and adjust seasoning. Top with the remaining tablespoon or so of chopped dill for color and a fresh herbal aroma.Serve or chill:Serve immediately at room temperature or cover and chill. The salad can be refrigerated for up to five days and is often better after a few hours when the flavors settle.

Storage Tips

Store the salad in an airtight container in the refrigerator for up to five days. Use shallow containers so the salad cools quickly and the dressing remains evenly distributed. When reheating for a warm side, gently warm a portion in a skillet over low heat with a splash more lemon or olive oil and stir carefully. Avoid microwave reheating for large portions because it can make the potatoes mealy. Always check for off smells or slimy texture before serving.

Ingredient Substitutions

If you do not have red potatoes, baby Yukon golds work well and maintain a creamy bite, though the color will be paler. For a lower acidity dressing reduce lemon to 2 tablespoons and add an extra teaspoon of olive oil. If you prefer a milder onion flavor use thinly sliced green onions or soak chopped red onion in cold water for 10 minutes then drain. Swap red wine vinegar for apple cider vinegar if that is what you have on hand. For a little heat add a pinch of crushed red pepper flakes to the dressing.

Serving Suggestions

Serve alongside grilled fish, roasted chicken, or as part of a buffet with sliced tomatoes and crusty bread. Garnish with additional fresh dill and a light dusting of cracked black pepper. For a picnic pack, place the salad in a sealed container with a wedge of lemon so guests can freshen it up before serving. It also pairs nicely with a simple green salad dressed with the same lemon vinaigrette for continuity.

Cultural Background

Potato salads appear in many culinary traditions with regional variations. This lemon and dill version leans on northern European and American garden flavors where dill is a common herb for potatoes and pickles. The lighter vinaigrette approach is a modern adaptation that moves away from heavy mayonnaise based salads, offering a fresher, herb forward profile that reflects contemporary preferences for brighter sides.

Seasonal Adaptations

In spring load up on fresh garden dill and parsley as in this recipe. For summer use new potatoes when available for tender skins and a sweeter flavor. In autumn swap fresh dill for a mix of chopped tarragon and parsley for a different aromatic profile. For winter, add roasted shallots and replace half the lemon with orange juice for a softer citrus tone.

Meal Prep Tips

Make the salad a day ahead and refrigerate to let flavors meld. Keep a small container of extra dressing to refresh the salad before serving if it seems dry after storage. Portion into individual containers for grab and go lunches. Use BPA free airtight containers and leave a little headspace when stacking to avoid crushing the potato slices.

This salad rewards simple, careful technique more than flashy ingredients. The balance of acid, oil, and fresh herbs creates a versatile side that complements a wide range of mains and becomes better as it rests. I hope you enjoy making it and sharing it as much as I have.