Tasty Lentil Bolognese Spaghetti

Category: Satisfying Main Dishes for Every Occasion

Warm up with this filling meal that blends soft lentils, fresh tomatoes, and tasty veggies. First, sauté celery, carrot, and onion to build flavor. Toss in garlic and dried herbs so everything smells amazing. A splash of soy sauce and balsamic vinegar gives the sauce lots of depth. Pour in veggie broth and canned tomatoes, then simmer everything together until the lentils are soft and the sauce is thick. Cook spaghetti until it's just the right bite, then mix it all up with the sauce. Top with fresh chopped herbs or a sprinkle of vegan cheese for that finishing touch. Every forkful is layered with flavor, perfect for a cozy night in.

A woman wearing a chef's hat and apron.
Authored By Elisa
Updated on Sun, 08 Jun 2025 13:03:17 GMT
Spaghetti in a bowl with sauce and a bright green leaf on top. Bookmark
Spaghetti in a bowl with sauce and a bright green leaf on top. | recipesbyelisa.com

Dig into Lentil Bolognese Spaghetti whenever you need something comforting and satisfying. It fills your place with the best smells and somehow disappears fast with everyone grabbing seconds. Swapping out meat for lentils makes the sauce just as rich and cozy but way more feel-good.

Honestly, after I started tossing lentils into this sauce, the biggest meat lovers around were totally hooked. Now it's my go-to for weeknights when I just want everyone to show up and dig in together.

Tasty Ingredients

  • Fresh parsley or basil: Chopped to sprinkle over the top Adds fresh color Toss it on just before you dish up
  • Nutritional yeast or vegan parmesan: If you want Cheesy flavor and good savory notes Golden flakes melt in nicely
  • Spaghetti: A pound Any shape works but classic strands let the sauce hug every bite Try bronze-cut pasta if you've got it
  • Black pepper: Season as you like Give it a couple cranks from a grinder for a little zip
  • Salt: Toss in half a teaspoon at the start, then check and tweak at the end Sea salt makes everything pop
  • Balsamic vinegar: One teaspoon Round things out at the end with tart rich syrup Go for the thick stuff if you can
  • Soy sauce or tamari: One tablespoon Sneaks extra umami flavor in Tamari keeps it gluten free
  • Red pepper flakes: Use a pinch if you want spice One-fourth to half a teaspoon works Go bright for the best color and heat
  • Bay leaf: Drop in one big whole leaf Gives the sauce a deep taste Don't forget to pull it out later
  • Dried basil: One teaspoon Lifts the flavor profile and balances the sauce
  • Dried oregano: One teaspoon Total classic for that Italian backdrop Rub in your hand first to get the smell going
  • Tomato paste: Two tablespoons Brings in a big rich peppery note Try double-strength paste for extra pop
  • Crushed tomatoes: One 28-ounce can Pick the best brand for a bold taste
  • Vegetable broth: Four cups Lower sodium works best so the flavors all shine Choose one without strong herb flavors
  • Brown or green lentils: One and a half cups Rinse well—they hold up better than red and give that hearty feel
  • Garlic: Four cloves Smash and mince for a punchy aroma Plump ones are best
  • Celery stalks: Two medium Dice up for a nice crunch and savory body Go for crisp and green
  • Carrots: Two Peel and chop for natural sweetness Fresh ones add texture
  • Yellow onion: One big one Chop it up for sweet mellow flavor Heavier onions with tight skin are perfect
  • Olive oil: Two tablespoons Good extra virgin coats the veggies and starts the flavor

Irresistible Step-by-Step Directions

Serve and Top Things Off
Either toss your drained pasta into the sauce or spoon sauce over each bowl of noodles. Finish with chopped parsley or basil and, if you fancy it, a good dusting of nutritional yeast or vegan parmesan.
Fix Up the Sauce
Once you fish out the bay leaf, splash in balsamic vinegar for zing. Taste, then add salt and black pepper till it’s just how you like it. If it’s gotten thick, stir in a bit of pasta water until you’re happy.
Get That Pasta Ready
As the sauce bubbles, bring a large pot of salted water to a rolling boil. Cook the spaghetti till just chewy, not mushy. Before you drain it, snag a cup of the water in case the sauce needs loosening.
Let It Simmer
When everything’s mixed, drop the heat and slap a lid on the pot. Simmer for forty to fifty minutes, stirring every so often. The lentils should be soft with a little bite. If your sauce gets extra thick, add broth or water, a bit at a time, to loosen it up.
Toss in Tomatoes Broth Lentils Bay
Next, stir in those rinsed lentils so they soak up all the savory stuff. Pour in crushed tomatoes and broth, scraping every tasty bit off the bottom. Toss in the bay leaf so it can work its magic while everything cooks.
Stir in Tomato Paste and Soy Sauce
Now add the tomato paste. Stir and cook for a couple of minutes so it gets dark and rich. Pour in soy sauce or tamari to bring more flavor and make the sauce silky.
Drop in Garlic and Spices
Add all the minced garlic and keep it moving for about a minute until you catch that awesome smell. Drop in the dried basil, oregano, and a bit of red pepper if using. Stir non-stop for half a minute to unlock all the flavors.
Start With the Veggie Base
Drizzle olive oil into a big pot over medium. Once it’s shiny, toss in onion and cook gently, giving a stir here and there, for about seven minutes. The onion should go soft and smell sweet, not get brown. Add your chopped carrots and celery—let them cook and soften for around ten more minutes. This takes a bit but makes the best flavor base.
A bowl of spaghetti with a green leaf on top. Bookmark
A bowl of spaghetti with a green leaf on top. | recipesbyelisa.com

Don’t skip the bay leaf—it gives this sauce a quiet, deep flavor that ties everything together. My mom always swore by it, and it’s the old-school trick that makes this perfect for chilly nights when you need to feed a crew.

Smart Storage Ideas

Cool leftovers completely and pop them into sealed containers. It’ll keep for four days in the fridge. Freeze up to two months if needed. Thaw slowly in the fridge and reheat gently on the stove—just add a splash of broth or water if it’s looking thick.

Simple Ingredient Swaps

If you can’t track down brown lentils, use green. Skip red ones—they fall apart, but French lentils work great. Gluten free pasta or zucchini noodles are perfect for other diets. No balsamic? Red wine vinegar does the trick.

A bowl of spaghetti with sauce and a sprig of parsley on top. Bookmark
A bowl of spaghetti with sauce and a sprig of parsley on top. | recipesbyelisa.com

Fun Ways to Dish It Out

Add toasted garlic bread and a crisp salad to round out dinner. Kids go crazy for a sprinkle of vegan cheese or pine nuts. If you want to sneak in more veggies, add mushrooms or chopped peppers with your other veggies.

Roots and Traditions

This comforting bowl is inspired by Italian Bolognese, swapping in protein-heavy lentils for meat. It’s not exactly what grandma made, but you still get that long-simmered cozy northern Italian taste. Every family puts their own stamp on a dish like this, and this version is a tasty way to honor that.

Frequently Asked Questions About Recipes

→ Can I use red lentils here?

Stick to brown or green lentils because red ones fall apart too quickly. You'll end up with mush and miss out on that chunky texture.

→ How do I get a thicker sauce?

Let the sauce cook with the lid off so some liquid evaporates, or just add a little less veggie broth in the beginning. The lentils will make it creamier as they soften, too.

→ Can I swap in gluten-free noodles?

Absolutely, grab your favorite gluten-free spaghetti and cook it as the box says. The sauce goes just as well with those.

→ What fresh herbs are best for topping?

Throw on some chopped basil or parsley at the end. They bring a fresh taste and look really nice, too.

→ Is it okay to prep this ahead?

You can totally make the sauce ahead and keep it in the fridge. For best noodles, make pasta fresh and combine right before eating so it's not soggy.

→ What's a dairy-free way to get cheesy flavor?

Add a sprinkle of nutritional yeast or vegan parm for cheesy vibes, no dairy needed.

Lentil Spaghetti

Simmer lentils, veggies, and tomatoes together and spoon the flavorful sauce onto hot, chewy spaghetti.

Prep Time
20 minutes
Cooking Time
65 minutes
Total Time Required
85 minutes
Authored By: Elisa

Type of Recipe: Main Dishes

Skill Level: Medium

Cuisine Type: Italian

Servings Count: Makes enough for 4–6 people

Dietary Preferences: Vegan Option Available, Suitable for Vegetarians, Dairy-Free Alternative

Ingredients You'll Need

→ Sauce Base

Ingredient 01 4 minced garlic cloves
Ingredient 02 2 medium celery stalks, chopped up fine
Ingredient 03 2 medium carrots, diced small after peeling
Ingredient 04 1 big yellow onion, cut into little bits
Ingredient 05 2 tablespoons extra virgin olive oil

→ Main Filling

Ingredient 06 1.5 cups of rinsed green or brown lentils
Ingredient 07 2 tablespoons thick tomato paste
Ingredient 08 4 cups veggie broth (pick the low-sodium one)
Ingredient 09 1 (794g) can crushed tomatoes

→ Herbs & Seasoning

Ingredient 10 Cracked black pepper, to taste
Ingredient 11 Pinch of salt, add as much as you like
Ingredient 12 1 teaspoon sweet dried basil
Ingredient 13 1 teaspoon dried oregano
Ingredient 14 1 bay leaf tossed in whole
Ingredient 15 1 tablespoon soy sauce or tamari for saltiness
Ingredient 16 1 teaspoon tangy balsamic vinegar
Ingredient 17 0.25 to 0.5 teaspoon chili flakes (only if you want some heat)

→ Pasta & Finale

Ingredient 18 Sprinkle chopped basil or parsley for serving
Ingredient 19 Grate vegan parmesan or shake on nutritional yeast (that’s up to you)
Ingredient 20 500g dried pasta (spaghetti or any shape you like best)

Step-by-Step Instructions

Step 01

Spoon the rich sauce on top of bowls of pasta, or mix everything up in the pot. Add a flurry of basil or parsley, then a bit of vegan cheese or nutritional yeast if you’re into that.

Step 02

Pull out the bay leaf. Drizzle in balsamic vinegar. Taste your sauce and add salt or pepper until it's just right for you. Need it looser? Splash in some of that saved pasta water.

Step 03

Roll a big pot of salty water to a boil while sauce does its thing. Drop in your pasta and cook it like the box says, until it’s got bite. Save aside about a cup of the cooking water before draining.

Step 04

Bring everything to a gentle bubble, then turn the heat low. Pop a lid on. Give it a stir every so often, around every 10–15 minutes. Let it all hang out for 40–50 minutes, until the lentils are cooked but not mushy. If it gets too thick, splash in a bit more water or broth.

Step 05

Dump in the lentils first, give them a good stir, then add tomatoes and broth. Make sure you scrape up the bottom. Toss in the bay leaf now.

Step 06

Squeeze in the tomato paste, stirring a lot, and let it cook for a couple minutes. Pour in the soy sauce or tamari, mix it real well.

Step 07

Mix in the chopped garlic and let it hang out for about a minute until it smells great. Throw in the dried herbs and pepper flakes, if you want heat. Let those toast for another half minute.

Step 08

Heat the olive oil in your big pot over medium. Once it’s hot, add all the onion and cook until it’s soft and see-through, around 5 to 7 minutes. Next, add carrots and celery and keep cooking till everything’s super tender and starting to get some color, about 8 to 10 minutes more.

Extra Tips and Tricks

  1. Letting the veggies cook slowly builds loads of flavor in the final sauce.
  2. Use tamari instead of soy sauce if you need it gluten-free.
  3. Thin out your sauce with that starchy pasta water if you want it to coat noodles just right.

Must-Have Equipment

  • Big heavy-bottomed pot or Dutch oven
  • Large pot to boil your pasta
  • Wood spoon or spatula
  • Sharp chef knife
  • Cutting board
  • Colander for draining

Allergy Information

Always double-check ingredient lists for allergens and seek advice if you're unsure.
  • Soy is in there if you go for regular soy sauce, but swap for tamari to keep things gluten-free.
  • Regular pasta likely packs gluten, so pick a gluten-free version if needed.

Nutritional Information (per portion)

The provided details are purely informational and should not replace professional advice.
  • Calorie Count: 550
  • Fat Amount: ~
  • Carbohydrate Amount: ~
  • Protein Amount: ~