Lentil Bolognese (richly-flavored vegetarian pasta sauce)
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If you’re after a deliciously rich lentil bolognese, look no further! This slow-cooked Italian sauce combines caramelized vegetables, lentils, and tomatoes, seasoned with a special savory ingredient. It’s an easy dinner for weeknights or slow Sundays. Ready in an hour!
This lentil bolognese is hearty, rich, and deeply satisfying, with a texture that’s surprisingly close to a classic meat sauce. The lentils bring that familiar, comforting bite, and once everything simmers together, you truly won’t miss the meat. It’s cozy, full-bodied, and exactly the kind of sauce I crave piled onto a bowl of pasta.
Because lentils are relatively mild on their own, I intentionally build flavor. I take the time to caramelize the vegetables, then add tomato paste and a spoonful of miso for extra depth and savory richness. That combination adds layers of umami and complexity, giving the sauce a long-simmered taste that sets it apart from many lentil bolognese recipes.
This is one of those dependable weeknight dinners that everyone at the table enjoys, meat-eaters included. It’s perfect for making ahead, and it freezes beautifully, which means future-you gets a seriously good pasta night with very little effort.
Another lentil recipe I think you might enjoy is my coconut lentil curry.
Store and freeze this recipe
How long does it keep in the fridge? Allow it to cool completely at room temperature, then store any leftover bolognese sauce in a covered container in your refrigerator for 3-4 days.
Can I freeze lentil bolognese? Yes, this sauce freezes beautifully. Store it in an airtight container in your freezer for up to 3 months! Thaw it in your fridge overnight before using.
Lentil Bolognese (richly-flavored vegetarian pasta sauce)
Ingredients
- 12 ounces pasta
- 2 tablespoons olive oil
- 1 medium onion (finely minced)
- 2 large carrots (finely minced)
- 1 red bell pepper (finely minced)
- 1 teaspoon EACH: sea salt and sugar
- 4 large garlic cloves (finely minced)
- 5.5 ounce can tomato paste
- 1 tablespoon miso (any color works in this recipe)
- 1 cup dried brown lentils
- 4 cups water
- 1 cup halved cherry tomatoes (or chopped tomatoes)
- Optional toppings: grated parmesan (vegan or regular), sage leaves, black pepper
Instructions
- Heat the olive oil in a large skillet over medium heat. Add the onion and cook until it starts to soften, about 5 minutes. Add the carrots, red pepper, sea salt, and sugar to the skillet and continue to cook, stirring occasionally, until everything is well caramelized, about 15 minutes. Add the garlic and tomato paste to the skillet and let it cook until the tomato paste is caramelized and fragrant, about 3 minutes.2 tablespoons olive oil, 1 medium onion, 2 large carrots, 1 red bell pepper, 1 teaspoon EACH: sea salt and sugar, 4 large garlic cloves, 5.5 ounce can tomato paste
- Add the miso, lentils, and water to the skillet and bring to a boil. Reduce the heat and let the lentils cook, uncovered, for 25-30 minutes, or until they are soft. Stir the lentils occasionally and add more water if they are looking dry. Stir in the cherry tomatoes.1 tablespoon miso, 1 cup dried brown lentils, 4 cups water, 1 cup halved cherry tomatoes
- While the lentils are cooking, bring a large pot of well-salted water to a boil. Add the pasta and cook according to the package directions. Drain and then toss with a little olive oil.12 ounces pasta
- Serve the pasta topped with the lentil bolognese and sprinkled with parmesan and a few sage leaves.Optional toppings: grated parmesan (vegan or regular), sage leaves, black pepper
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Nutrition
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Is there a substitute for miso? Maybe fish sauce? I just do not like miso. I’ve tried it in a variety of preparations and have 3 different varieties in my fridge now. After the last time i used it i finally admitted to myself that miso is just not for me. Otherwise this recipe looks great.
Hi Yespat. I think fish sauce is a great substitute idea! I add it sometimes to chili, and it really works to boost the umami flavor.
I’ve made this recipe many times since finding it a few years ago. It’s always been delicious! I substitute soy sauce for the miso, no other changes. It freezes perfectly.
Wow, thanks for sticking with the recipe all these years! Substituting soy sauce for miso is a great swap, and I’m glad it still hits the mark. Freezing tips are a bonus—thanks for sharing! 😊👍
Can you use green or red lentils?
We use brown lentils, but green lentils make a great substitute. I don’t recommend red lentils as the cooking time is much shorter.
The addition of miso in the lentil bolognese is such a tasty touch. Thanks for sharing this recipe! It turned out perfectly.
I’ve been making this recipe for a while, its brilliant, I make a batch and freeze it in portions, it works really well.
Love this lentil bolognese! def gonna try it next week! thanks for the recipe!
What can I substitute the miso for? I can’t do anything soy.
Maybe try coco aminos? It’s a soy sauce like sauce made from coconut.
Love this recipe. Easy, quick and tasty
Made this tonight and what a hit. Amazing recipe, so tasty, thank-you 🙂
Sorry long comment ahead! I’m pregnant and have been completely repulsed by meat since entering my second trimester. My partner is a typical meat in every meal man whereas I enjoy a vegetarian meal. He wanted to support me and join me in eating vegetarian. I wanted to make the transition easier on him and make meals that didn’t seem too far from our normal meals. This bolognese was on my list last week and got a double thumbs up, it was even requested for dinner this week too so safe to say we really, really enjoyed it! The only thing I did differently was use canned brown lentils and half the water as I didn’t need to rehydrate the lentils.
To make this a quick weeknight meal, adding the lentils, water, and miso to the rice cooker while the veg is caramelizing is a fun hack! My boys didn’t notice a difference and this recipe is a once a monther for us!
Also- your recipes literally made me a cook for my family. I’ve expanded so far since and I still come back here. I appreciate and recommend everything on this site. Thank you!
Awww thanks, Jess! I’m so happy to hear that you and your family love the recipes here. 🙂
What does the miso do in this recipe? Do you need it?
It adds depth to the flavor. 🙂
Beyond good, have this on repeat and freezes beautifully. I find the lentils cook much too slowly so I do them seperately while I let everything really caramelize, much longer than the recommended time. I add an extra tsp of sugar, extra garlic and a little extra miso and it’s to die for. Kids love it. Thank you so much for this!!!
Delicious! I added finely diced mushrooms when I added the carrots. I also used tinned lentils. It turned out perfect! This will be one of my new staples. Thank you!
You’re welcome!