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Mom’s Marinated Lentil Salad with Tomatoes & Feta

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This Easy Marinated Lentil Salad with Tomatoes and Feta has everything you want in a summer dish: juicy tomatoes, crumbled feta, fresh basil, & tender lentils tossed in a lemony vinaigrette. It’s light but satisfying, endlessly scoopable, & somehow even better the next day. Perfect for summer lunches, easy dinners, or a hearty snack you’ll actually be excited to eat all week long.

A blue and white bowl filled with lentil salad containing diced tomatoes, feta cheese, red onions, and fresh basil, surrounded by pita chips, lemon slices, and a glass of water with lemon.
Photography by Gayle McLeod

Summer’s Best Salad Has…Lentils? Just Trust Me. 😏

I never knew lentils could taste this good until I had this salad at my in-laws’ house. My mother-in-law, Mary Alice, served me these lentils with a side of pita chips, and I seriously could not stop snacking.

It turns out that the secret to irresistible lentils is marinating them. Soaking the tender legumes in a punchy mix of aromatic, bright, and juicy Mediterranean-inspired flavors brings the lentils to life, making every bite taste like summer.

When my mother-in-law first set this lentil salad in front of me, I was skeptical—but now these light and hearty lentils are my favorite way to satisfy the munchies.

The best part of marinated lentils? They only get more flavorful over time. This lentil salad is one of my favorite things to keep in a tub in the fridge and eat all week long, barefoot in the kitchen with a bag of chips.

Add a scoop to your dinner plate for extra protein, serve it as a side dish at a picnic, or eat it straight from the container. However you go about it, you’ll love having this hearty lentil salad on hand for any occasion.

An overhead view of fresh basil leaves, cooked lentils, vine tomatoes, crumbled feta, garlic, shallot, lemon halves, olive oil, vinegar, salt, pepper, and red pepper flakes arranged on a kitchen counter.
This lentil salad layers perfectly cooked lentils with Mediterranean staples like sweet tomatoes, tangy feta cheese, fragrant basil, and lemon for a bright and beautiful bite.
A white bowl filled with cooked brown lentils sits on a table surrounded by fresh basil leaves, a glass of liquid, a lemon, cherry tomatoes, and a small dish of crumbled cheese.
Lentils have a bit of a tricky cooking reputation, but don’t worry! That’s why this recipe uses brown lentils—they hold their shape well and are hearty enough for a salad, but still have that tender bite.

The Secrets to Perfectly Cooked Lentils

The key to keeping lentils from getting mushy is to maintain a gentle simmer as they cook on the stovetop. Keep an eye on them and lower the heat if the water starts bubbling too rapidly! You can also use a rice cooker for an easy, hands-off simmer.

No-Cook? No Problem! ⇢ If you want to skip cooking altogether, this lentil salad recipe also works great with canned or pre-cooked lentils—just be sure to rinse and drain them well.

How to Make the Most Flavorful Lentil Salad

Once the lentils are cooked, all that’s left is a little chopping and a quick toss. Bonus: Everything comes together in one bowl for easy clean up! 🙌🏼

A glass bowl filled with lentils, chopped tomatoes, red onion, fresh basil, and crumbled feta cheese, surrounded by olive oil, garlic, lemon, basil leaves, and crushed red pepper on a marble countertop.
Combine the cooked lentils with diced tomatoes, shallot, onion, lemon juice, chopped basil, crumbled feta cheese, olive oil, and a splash of vinegar.
A glass bowl filled with lentil salad containing chopped tomatoes, feta cheese, basil, and red onions. Surrounding the bowl are fresh basil leaves, olive oil, red pepper flakes, garlic, lemon, and a small bowl of crumbled feta.
Mix and let the lentils soak up all the sweet tomato juices and bright, aromatic herbaceousness for maximum flavor.

For extra-flavorful lentils, use a seasoned olive oil! I love making marinated lentil salad with Brightland Pizza Oil, which is infused with jalapeños and Italian herbs for the perfect kick of heat. 

A blue and white bowl filled with lentil salad, garnished with diced tomatoes, red onions, basil leaves, and crumbled feta. Pita chips, a lemon wedge, and a glass of water with lemon are nearby.
This fresh and hearty lentil salad is seriously low-effort and high-reward—truly an all-purpose dish!

Make It Ahead

This lentil salad only gets better day after day. It’s the ideal recipe to make ahead…and eat straight from the fridge all week. 

A bowl of lentil salad with chopped tomatoes, red onions, herbs, feta cheese, and tortilla chips, set on a table with lemon wedges, water glasses, and a small jar of dressing nearby.
Enjoy this marinated lentil salad warm right after tossing, room temp at a backyard cookout, or chilled with veggies or pita chips. It’s totally irresistible, no matter how you eat it!

I can’t wait for you to try this Easy Marinated Lentil Salad with Tomatoes and Feta! If you do, be sure to let us know! Leave a comment with a star rating below. You can also snap a photo and tag @playswellwithbutter on Instagram. We LOVE seeing your PWWB creations! ♡ Happy cooking!

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A bowl of lentil salad with chopped tomatoes, red onion, basil, and feta, garnished with basil leaves and served with square crackers on the side. Crackers, lemon wedges, and basil leaves are scattered around.

Easy Marinated Lentil Salad with Tomatoes & Feta (20 Minutes)

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 2 reviews
  • Author: Jess Larson
  • Prep Time: 20 minutes
  • Cook Time: 0 minutes
  • Total Time: 20 minutes
  • Yield: serves 6-8 1x
  • Category: Entree Salads & Bowls; Side Dish Recipes
  • Method: No-Cook
  • Cuisine: American; Mediterranean
  • Diet: Vegetarian

Description

This Easy Marinated Lentil Salad with Tomatoes and Feta has everything you want in a summer dish: juicy tomatoes, crumbled feta, fresh basil, and tender lentils tossed in a lemony vinaigrette.

It’s light but satisfying, endlessly scoopable, and somehow even better the next day. Perfect for summer lunches, easy dinners, or a hearty snack you’ll actually be excited to eat all week long.


Ingredients

Scale
  • 2 ½ cups cooked brown or green lentils (from 1 cup dry; see Recipe Notes)
  • 16 ounces plum or Campari tomatoes, cored and diced
  • 1 small shallot, finely chopped
  • 1 clove garlic, finely chopped or grated
  • ½ lemon, juiced
  • ½ cup packed fresh basil leaves, roughly chopped
  • 4 tablespoons olive oil (I love the spicy kick of heat from a pepper-infused oil, like Brightland “Pizza” Oil)
  • 1 tablespoon champagne vinegar or white balsamic vinegar
  • 4 ounces crumbled feta cheese
  • kosher saltground black pepper, and crushed red pepper flakes, to season


Instructions

  1. Toss the salad: In a large bowl, combine the cooked lentils, tomatoes, shallot, garlic, lemon juice, and basil. Add the olive oil, vinegar, and crumbled feta. Season with ½ teaspoon kosher salt, a few cracks of black pepper, and a pinch of crushed red pepper flakes (if using). Toss well to combine, then taste and adjust seasoning as needed.A glass bowl filled with chopped tomatoes, red onions, fresh basil, cooked lentils, and crumbled feta cheese, surrounded by olive oil, lemon, spices, and fresh basil on a marble surface.
  2. Serve: This lentil salad is great served warm, at room temperature, or chilled. Serve as a light vegetarian main, with pita chips and fresh veggies as a dip-style salad, or as a hearty side for any summer dinner plate. Enjoy!A glass bowl of lentil salad with chopped tomatoes, red onions, green herbs, and crumbled cheese. Surrounding the bowl are fresh basil leaves, a pepper grinder, olive oil, lemon, and a wooden citrus juicer.

Notes

  • Best lentils to use: This recipe calls for brown or green lentils, which hold their shape well and soak up the bright dressing without turning mushy. French green (Puy) lentils also work beautifully. Avoid red or yellow lentils—they’re too soft and tend to fall apart, which isn’t ideal for a hearty salad.
  • Tips for cooking lentils: If cooking from dry, 1 cup yields about 2 ½ cups cooked. Simmer on the stovetop, or for a more hands-off approach, cook them in a rice cooker with a 1:2 ratio of lentils to water or broth, using the “grains” setting if your machine has one. For the ultimate warm-weather shortcut, I often use store-bought pre-cooked lentils. Look for canned or vacuum-sealed packs (like those from Trader Joe’s or Whole Foods)—they’re a total time-saver and work beautifully here.

Make-Ahead and Storage:

  • Make-ahead instructions: This lentil salad is ideal for prepping ahead—it actually gets better as it sits! Toss everything together a few hours in advance, then cover and refrigerate until ready to serve. The flavors meld beautifully over time, and the lentils stay hearty. Great for meal prep lunches, picnics, and backyard gatherings!
  • Storage instructions: Store leftovers in an airtight container in the refrigerator for 4 to 5 days. The lentils don’t get soggy—they soak up more flavor from the dressing as they sit. Serve cold or let it come to room temp for a few minutes before enjoying.

Follow along with Plays Well With Butter on Instagram, YouTube, Facebook, and Pinterest for more unfussy recipes that pack a big punch of flavor!

A close-up of a bowl filled with lentil salad, featuring chopped tomatoes, red onions, fresh basil, and crumbled feta cheese, all on a blue and white patterned plate.
A bowl of lentil salad with diced tomatoes, red onions, feta, and basil, served with crackers. Two lemon slices, basil leaves, crackers, a glass of water with lemon, and olive oil are arranged around the bowl.
A bowl of lentil salad with chopped tomatoes, red onions, fresh basil, and crumbled feta cheese, served on a blue and white plate with a fork and spoon. Crackers and herbs are scattered nearby.

Hi there, I'm Jess!

If there’s 1 thing to know about me, it’s this: I am head-over-heels in love with food. I’m on a mission to make weeknight cooking flavorful, fast, & fun for other foodies, & PWWB is where I share foolproof recipes that deliver major flavor with minimal effort. Other true loves: pretty shoes, puppies, Grey’s Anatomy, & my cozy kitchen in Minneapolis, MN.

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Comments

  1. 7.29.25
    Anna said:

    Made this salad to take as a dip to the lake this past weekend and it was a huge hit! Everyone loved the bright and fresh flavors. I think I found my new summer go-to dish to bring anywhere and everywhere. I just finished off the leftovers, and even a few days later, it still tastes super fresh and is the perfect side dish for a light and fresh lunch!

    • 7.29.25
      Emma @ Plays Well With Butter said:

      We couldn’t agree more, Anna, it’s such a versatile dip/side/snackable lunch! Thank you so much for leaving such a kind review!

  2. 7.29.25
    Vicki said:

    Easy and delicious! Used old kine rice cooker for the lentils, so had to add another 1/2c water. Will be making this salad again, soon!

    • 7.29.25
      Emma @ Plays Well With Butter said:

      Using a rice cooker for the lentils is perfect, Vicki! Thanks for taking the time to leave a review so quickly!!

  3. 7.27.25
    Cat said:

    I started to make this salad, went to the cupboard and my jar of french lentils was empty! (I live 25 miles from the nearest store, so a quick run wasn’t an option.) I really appreciated the post to not use red lentils. So, I used Farro instead. The salad was fabulous. The flavor blends along with the texture of the Farrow was excellent. Guests ate it all up!

    • 7.27.25
      Emma @ Plays Well With Butter said:

      Using farro instead is a great idea, Cat!! Happy to hear the flavors and textures worked well for you! 🙂 And thanks for trying this out so quickly!