
Why I love this lentil bolognese recipe
One of our goals this year is to make our food more budget-friendly. It’s not that we were spending huge dollar amounts on groceries every month, but we never really kept track of what we were eating and how much we were spending on food.
So this year, we decided it would be smart to start tracking it, and as a result, I decided to challenge myself to stay well under our budget.
And, guess what. Meat is expensive and beans are cheap. On top of that, beans are also much more environmentally-friendly choice, and that means we are trying to incorporate them into more meals.
My secret goal (ok, maybe not so secret now that I’m telling you about it) to have one bean-based meal a week, but it’s not something I’m going to drive myself nuts over.
Anyway, this slow cooker lentil bolognese is one of the first new recipes I’ve tried with that goal in mind, and I’m sure you’re going to love it as much as I do.
More vegan favorites: vegan blue cheese dressing / vegan potato leek soup / vegan risotto / vegan alfredo sauce / butternut squash pasta sauce

Ingredient notes:
- Lentils – Dried, green or brown lentils work best in this recipe.
Making changes to a recipe can result in recipe failure. Any substitutions listed are simple changes that I believe will work in this recipe, but results are not guaranteed.
The following is a detailed overview of the recipe steps with added tips and tricks for recipe success. For a simplified and printable version, including ingredient amounts and more formal instructions, see the recipe card below.
How to make lentil bolognese
Sauté the vegetables. Heat olive oil in large skillet to medium-high. Add the onion, carrots, celery. Let them cook, stirring as needed, until they have softened and the onions are translucent. Add the garlic and continue cooking for another minute.
Simmer the lentils. Add the rest of the ingredients and cover the pan. Reduce heat to medium-low and let the sauce simmer for about 30 minutes, or until the lentils have softened completely.
Serve over pasta. Adjust seasoning to taste and serve of your favorite pasta.

Frequently asked questions
This recipe should last for up to 5 days in the fridge. After that, you’ll want to freeze it or dispose of any remaining leftovers.
This recipe holds up really well in the freezer so it’s a great option for making ahead of time or meal prepping. Store in an airtight container and freeze for up to 6 months.
Yes! You can easily make this recipe gluten free by using gluten free broth when making the sauce. You’ll also want to serve your lentil bolognese over gluten free pasta.
Yes. You will want to reduce the liquid in the recipe to almost nothing. I would recommend adding the canned lentils and tomatoes with no more than 1/2 cup of water for simmering.


Lentil Bolognese
Ingredients
- 2 tablespoons olive oil
- 1 1/2 cups sweet onion, diced
- 2 carrots, grated (about 1 cup)
- 3 celery stalks, diced (about 1 cup)
- 4 garlic cloves, minced (about 1 tablespoon)
- 1/2 – 1 teaspoon crushed red pepper flakes, optional
- 8 ounces dried lentils, rinsed and picked through
- 1 28- ounce can crushed tomatoes
- 3 cups vegetable stock
- 1 bay leaf
- 1 tablespoon dried basil
- 1/2 tablespoon dried parsley
- 1 teaspoon coarse salt
Instructions
Stovetop instructions:
- Heat olive oil in large skillet over medium-high.
- Add onion, celery, carrots with a pinch of salt. Sauté, stirring occasionally, until the onion is translucent and the vegetables have softened – about 5 minutes.
- Add garlic and continue to cook until fragrant, about 1 minutes.
- Add the remaining ingredients and cover the skillet. Bring to liquid to a strong simmer and allow the lentils to cook until softened, about 30 minutes.
- If needed, add additional water to thin sauce and adjust seasoning with salt & pepper before serving.
Slow cooker instructions:
- Add all the ingredients to a slow cooker, mix together until combined.
- Cook on low for 4 – 5 hours, or until lentils have softened and sauce is thick.
- Add water to thin out sauce if necessary, and adjust seasoning with salt & pepper to taste.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
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This was really delicious! After reading the comments, I did cook it on high from the start, and it took almost 7 hours for the lentils to really cook through. Definitely a great recipe though, and one I look forward to playing with in the future!
I was so excited about this recipe, but like others found that the lentils did not cook through. I started the crockpot on high for 3 hours, then turned it to low for an additional 5 hours. By the end the lentils were still undercooked, which is a big surprise since they cook so well on the stovetop in under an hour. There were also too many lentils in the recipe. I think next time I am going to half the amount of lentils so that they actually cook and I can get more of the sauce. On the plus side, the flavors of the sauce are really good. I wish I could have appreciated it. We ended up using a jarred sauce with the spaghetti for dinner because the lentils were inedible. I am going to try to fix it today so I don’t waste all that food.
Very tasty and super easy! I did half quantities & have created enough for multiple meals.
This is so hearty and delicious. I’ve made it twice and both times I’ve followed the crockpot instructions, which couldn’t be easier. I’ve also served it over polenta each time, instead of pasta. Yummy!
I made this on the stove and simmered the lentils for about an hour. It turned out DELICIOUS! We really enjoyed this with some cheese. I will make this again 🙂
I’m gonna have a go at this recipe soon – just wondering though, how much spaghetti do you think it would go with? I am no good at figuring out that sort of thing.
This recipe should make enough for 2 pounds of pasta.
Made this tonight for supper. Turned out fantastic! Followed the recipe. I am not a vegetarian but this was great. Will definitely make again. Thank you for the recipe!