Lentil Bolognese with Whole-Wheat Spaghetti Recipe

A shallow bowl of lentil bolognese tossed with whole-wheat spaghetti, showing chunks of lentils and finely diced carrot and celery in a thick tomato sauce, topped with chopped fresh basil.
Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Servings 4

What Is Lentil Bolognese with Whole-Wheat Spaghetti?

Bolognese sauce is traditionally a slow-simmered Italian meat sauce from Bologna, built on a base of onion, carrot and celery. This version replaces the ground meat with brown lentils, keeping the same rich, chunky texture and long-simmered depth while turning the dish into a comforting weeknight dinner over whole-wheat spaghetti.

What Makes This Recipe Anti-Inflammatory?

Crushed tomatoes are the backbone of the sauce and a concentrated source of lycopene, a carotenoid that becomes more available to the body when tomatoes are cooked with fat, in this case the extra-virgin olive oil used to build the base. That same olive oil contributes oleocanthal, a compound linked to lower activity of certain inflammatory pathways in the body.

Brown lentils add plant fiber and polyphenols while also supplying the protein that would otherwise come from ground meat. Swapping refined white spaghetti for whole-wheat spaghetti keeps more of the grain’s fiber intact, and the recipe adds no sugar and no refined seed oils.

Ingredients

  • 1 cup dried brown lentils, rinsed and picked over
  • 2 tablespoons extra-virgin olive oil
  • 1 medium yellow onion, finely diced
  • 2 medium carrots, finely diced
  • 2 celery stalks, finely diced
  • 4 cloves garlic, minced
  • 2 tablespoons tomato paste
  • 1 can (28 ounces) crushed tomatoes
  • 2 cups low-sodium vegetable broth
  • 1 teaspoon dried oregano
  • 1 teaspoon dried thyme
  • 1 bay leaf
  • 1/2 teaspoon fine sea salt
  • 1/4 teaspoon ground black pepper
  • 8 ounces whole-wheat spaghetti
  • 1/4 cup chopped fresh basil

Directions

Step 1

Heat the olive oil in a large pot or Dutch oven over medium heat. Add the onion, carrots and celery, and cook for about 8 minutes, stirring occasionally, until the vegetables have softened and the onion turns translucent.

Step 2

Add the garlic and cook for 1 minute, stirring constantly, until fragrant.

Step 3

Stir in the tomato paste and cook for 1 to 2 minutes, stirring often, until it darkens to a deep brick red and coats the bottom of the pot.

Step 4

Add the lentils, crushed tomatoes, vegetable broth, oregano, thyme, bay leaf, salt and pepper. Bring the mixture to a simmer, then cover and cook for about 30 minutes, stirring occasionally, until the lentils are tender and the sauce has thickened enough to coat the back of a spoon.

Step 5

While the sauce simmers, bring a large pot of salted water to a boil and cook the whole-wheat spaghetti until al dente, following the package directions; it should still have a slight bite at the center when tested.

Step 6

Remove the bay leaf from the sauce. Drain the pasta and toss it directly into the pot with the sauce, then stir in the fresh basil just before serving.

Nutrition Facts (per serving)

Calories 535
Fat 9g
Carbs 95g
Protein 25g

InflammaScore

1 Good! Very low inflammation potential

Q&A

Q1: Can I substitute the brown lentils with a different type?
A1: Green lentils work as a direct substitute since they hold their shape at a similar cook time. Red or yellow lentils break down much faster and will turn the sauce closer to a puree within 15 to 20 minutes, so shorten the simmer time and check for doneness earlier if you use them.

Q2: How should I store leftovers, and do they keep well?
A2: Refrigerate the sauce and pasta together in an airtight container for up to 4 days. The sauce also freezes well on its own for up to 3 months; thaw it overnight in the refrigerator and reheat with a splash of broth before tossing with freshly cooked pasta.

Q3: My sauce turned out thin instead of thick. What went wrong?
A3: A thin sauce usually means the lid trapped too much steam during the simmer. Remove the lid for the final 5 to 10 minutes of cooking so the liquid can reduce, and stir occasionally to prevent the bottom from scorching as it thickens.

Q4: Can I make the sauce ahead of time?
A4: Yes. The sauce keeps well refrigerated for up to 4 days and the flavor deepens overnight as the herbs continue to infuse. Reheat it gently on the stove and cook the spaghetti fresh right before serving so the noodles do not turn soft from sitting.

Q5: Is this recipe suitable for vegetarians and vegans?
A5: Yes, every ingredient in this recipe is plant-based, so it works for vegetarian and vegan diets without any substitutions. It also contains no dairy, making it a straightforward option for anyone avoiding animal products at dinner.

This pot of lentil bolognese comes together in under an hour and reheats just as well the next day, making it a solid choice for a weeknight dinner with leftovers built in.
A shallow bowl of lentil bolognese tossed with whole-wheat spaghetti, showing chunks of lentils and finely diced carrot and celery in a thick tomato sauce, topped with chopped fresh basil.