Lentil Salad with Vinaigrette

Featured in: Simple Suppers

This dish features tender lentils simmered to perfection, blended with fresh cherry tomatoes, crisp cucumber, red onion, and parsley. A tangy mustard vinaigrette made with olive oil, red wine vinegar, Dijon mustard, and a touch of honey ties the flavors together. Serve chilled or at room temperature for a refreshing and satisfying meal that’s rich in fiber and protein. Easy to prepare in under an hour, it's ideal for a wholesome lunch or a vibrant side.

Updated on Wed, 24 Dec 2025 09:25:00 GMT
Hearty lentil salad overflowing with juicy tomatoes and cucumbers, tossed in a tangy mustard vinaigrette. Save
Hearty lentil salad overflowing with juicy tomatoes and cucumbers, tossed in a tangy mustard vinaigrette. | butterhollow.com

There's something about a bowl of lentil salad that feels like the opposite of fussy—it's the kind of dish that shows up on a Tuesday afternoon when you've forgotten to plan anything and suddenly you've made something that tastes like you spent all morning on it. I discovered this version during a stretch when I was learning that eating well didn't have to mean spending hours in the kitchen, and this salad became the proof I needed.

I made this for a potluck once where everyone brought heavy casseroles, and mine was the only thing people came back to fill their plates with a second time. That's when I realized how much people crave something bright and alive, especially when surrounded by all that richness.

Ingredients

  • Dried green or brown lentils: Green lentils hold their shape better than red ones, which is everything here—you want them tender, not dissolving into the vinaigrette.
  • Water: Use good water because it's what the lentils absorb; I learned this the hard way with chlorinated tap water.
  • Bay leaf: It adds an almost invisible depth that makes people wonder what your secret is.
  • Cherry tomatoes: The sweetness balances the tang of the vinegar in a way big tomatoes sometimes don't.
  • Cucumber: Crisp and cool, it gives you that textural contrast that keeps the salad from feeling one-note.
  • Red onion: Sharp and bright—don't skip it or you'll lose that punch.
  • Fresh parsley: It's not just garnish; it adds a peppery freshness that ties everything together.
  • Extra virgin olive oil: Use something you actually like tasting on its own, because you will taste it.
  • Red wine vinegar: The acidity is the backbone, so don't reach for the cheap stuff.
  • Dijon mustard: This is what keeps the vinaigrette from being just oil and vinegar—it emulsifies and adds a subtle tang.
  • Honey or maple syrup: Optional, but it rounds out the sharpness in a way that feels sophisticated.
  • Garlic: Minced small so it disperses evenly and doesn't overpower in big bites.

Instructions

Simmer the lentils until tender:
Rinse your lentils first—you'll feel tiny debris under your fingers sometimes. Bring everything to a boil, then drop the heat and let them bubble gently for 20 to 25 minutes, until a lentil dissolves easily between your tongue and the roof of your mouth but hasn't collapsed into the pot.
Cool and combine:
Once drained, spread them on a plate to cool faster if you're in a rush, stirring them occasionally so they release steam. While they cool, chop your vegetables so everything's ready.
Build the salad:
Toss the cooled lentils with tomatoes, cucumber, red onion, and parsley in a large bowl. The vegetables will release a little liquid, which is perfect—it'll mingle with the vinaigrette.
Whisk the vinaigrette:
In a small bowl or jar, combine oil, vinegar, mustard, honey if you're using it, minced garlic, salt, and pepper. Whisk or shake until it looks creamy and slightly thick, which means the mustard is doing its job of holding it together.
Dress and chill:
Pour the vinaigrette over the lentil mixture and toss everything gently—you want the dressing to coat without crushing anything. Let it sit in the refrigerator for 15 to 30 minutes so the flavors get to know each other.
A colorful bowl of fresh lentil salad, a healthy and delicious vegetarian side dish option. Save
A colorful bowl of fresh lentil salad, a healthy and delicious vegetarian side dish option. | butterhollow.com

A friend once told me she brought this salad to a family dinner where everyone was expecting something you had to heat up, and her nephew asked for the recipe. That's the moment I understood that simple, honest food has a quiet power that fancy dishes sometimes miss.

Why This Becomes a Weeknight Staple

Once you've made this once, you'll find yourself making it without really thinking about it. The lentils can be cooked in the morning while you're doing other things, the vegetables take minutes to chop, and the whole salad comes together while you're deciding what else to eat. I've made versions of this with my eyes half-closed at 6 PM and still ended up with something worth savoring.

Variations That Don't Feel Like Compromises

The beauty of this salad is that it's a framework, not a prison. Some days I add crumbled feta and suddenly it feels more substantial, other times I toss in spinach or shredded carrots without needing to adjust the dressing. I've added diced red bell pepper when I had one hanging around, and it never felt wrong—the mustard vinaigrette is adaptable enough to hold everything together.

How to Serve It Without Overthinking

This salad is perfect on its own as a lunch, but it's also quietly elegant alongside grilled chicken or fish if you're feeding other people. I've served it at room temperature, straight from the fridge, and as a cold side at a summer barbecue, and it behaves beautifully every time. The lentils stay plump, the vegetables stay crisp, and the vinaigrette gets better with time.

  • Make it ahead and let it sit overnight in the refrigerator—the flavors deepen and settle, making day-two servings sometimes taste better than day-one.
  • If it dries out after a day or two, whisking in a little more olive oil and vinegar brings it right back to life.
  • Store it in a container with a tight lid so it doesn't pick up flavors from the refrigerator.
Fresh, flavorful lentil salad, featuring tender lentils dressed with a zesty mustard vinaigrette. Save
Fresh, flavorful lentil salad, featuring tender lentils dressed with a zesty mustard vinaigrette. | butterhollow.com

This salad has become the kind of thing I make when I want to feel like I'm eating something good without any fuss. It's proof that simple ingredients, when treated with a little attention, turn into something worth coming back to.

Kitchen Tips & Answers

How do I cook lentils for this salad?

Simmer rinsed lentils with water, a bay leaf, and salt for 20-25 minutes until tender but not mushy. Drain and discard the bay leaf before cooling.

Can I substitute the mustard in the vinaigrette?

Dijon mustard adds tang and depth, but you can use whole grain mustard or a mild mustard variety depending on your taste preference.

Is this dish suitable for a gluten-free diet?

Yes, all ingredients here are naturally gluten-free, making this a safe option for gluten-sensitive individuals.

What variations can enhance the salad?

Adding crumbled feta, diced bell pepper, spinach, or shredded carrots can boost flavor and texture, catering to different dietary needs.

How should I serve this lentil salad?

Best served chilled or at room temperature, perfect as a light lunch or a vibrant side dish alongside grilled meats or roasted vegetables.

Lentil Salad with Vinaigrette

Tender lentils combined with fresh tomatoes, cucumber, and a zesty mustard dressing for a nutritious dish.

Prep duration
15 min
Heat duration
25 min
Complete duration
40 min
Created by Ella Thompson


Skill level Easy

Heritage International

Output 4 Portions

Eating preferences Meat-free, No dairy, No gluten

What you'll need

Lentils

01 1 cup dried green or brown lentils, rinsed
02 3 cups water
03 1 bay leaf
04 1/2 teaspoon salt

Vegetables

01 1 cup cherry tomatoes, halved
02 1 cup cucumber, diced
03 1/4 cup red onion, finely chopped
04 1/4 cup fresh parsley, chopped

Mustard Vinaigrette

01 3 tablespoons extra virgin olive oil
02 1 1/2 tablespoons red wine vinegar
03 1 teaspoon Dijon mustard
04 1 teaspoon honey or maple syrup (optional)
05 1 small garlic clove, minced
06 1/4 teaspoon salt
07 1/4 teaspoon black pepper

Method

Phase 01

Cook Lentils: Combine lentils, water, bay leaf, and salt in a saucepan and bring to a boil. Reduce heat and simmer uncovered for 20 to 25 minutes until lentils are tender but hold shape. Drain, discard bay leaf, and let cool to room temperature.

Phase 02

Mix Vegetables and Lentils: In a large bowl, gently combine the cooled lentils with cherry tomatoes, cucumber, red onion, and parsley.

Phase 03

Prepare Vinaigrette: Whisk together olive oil, red wine vinegar, Dijon mustard, honey or maple syrup if using, garlic, salt, and black pepper in a small bowl or jar until emulsified.

Phase 04

Dress Salad: Pour the vinaigrette over the lentil and vegetable mixture. Toss gently to coat evenly and taste; adjust seasoning if necessary.

Phase 05

Chill and Serve: Refrigerate for 15 to 30 minutes before serving to enhance flavors. Serve cold or at room temperature.

Kitchen tools needed

  • Saucepan
  • Colander
  • Large mixing bowl
  • Small bowl or jar
  • Whisk
  • Cutting board and knife

Allergy details

Always review individual ingredients for potential allergens and seek professional medical guidance if uncertain.
  • Contains mustard
  • Gluten-free and dairy-free as prepared
  • Contains milk if cheese is added
  • Check ingredient labels for hidden allergens

Nutrient breakdown per portion

Numbers shown are estimates only - consult healthcare providers for specific advice.
  • Energy: 240
  • Fats: 8 g
  • Carbohydrates: 32 g
  • Proteins: 10 g