Looking for an easy way to add more vegetables to a classic pasta dinner?
This veggie-packed lentil spaghetti bolognese is made with green lentils, grated carrot, zucchini, and plenty of fresh spinach, all simmered in a simple tomato sauce.
It’s hearty and comforting like a traditional bolognese, but completely vegetarian and packed with everyday vegetables. The lentils give the sauce a satisfying texture, while grated carrot and zucchini practically disappear into the tomato sauce.
Serve it over spaghetti with plenty of vegetarian Parmesan for an easy dinner the whole family can enjoy.
Why You’ll Love This Recipe
- Packed with lentils and vegetables
- Made with simple, everyday ingredients
- A filling vegetarian pasta dinner
- Great for adding more vegetables to your meals
- Easy to make ahead
- Perfect for busy weeknights
- Delicious as leftovers the next day
A Bolognese Packed with Vegetables
One of the easiest ways to eat more vegetables is to add them to meals you already love rather than trying to come up with completely new recipes.
That’s exactly what this pasta does.
Carrot + zucchini + spinach + lentils + tomatoes make a hearty, chunky bolognese-style sauce without making dinner feel like a plate of vegetables.
The grated carrot blends into the sauce, the zucchini becomes tender as it simmers, and the spinach wilts down dramatically. The diced tomatoes keep the sauce slightly rustic and chunky, which works especially well with the lentils and vegetables.
Why Use Lentils in Bolognese?
Green lentils work particularly well in vegetarian bolognese because they keep some of their texture after cooking.
Rather than blending into a completely smooth sauce, they give it a hearty consistency that makes a simple tomato pasta much more satisfying.
They’re also an inexpensive pantry staple, so keeping a bag of dry lentils around means you’re never too far away from an easy vegetarian dinner.
Can I Use Canned Lentils?
Yes.
If you want to make this dinner even quicker, replace the dry lentils with approximately 1 1/2 cups cooked or canned green lentils.
Drain and rinse canned lentils, then add them directly to the tomato sauce. There’s no need to cook them separately first.
Easy Variations
This is a very flexible recipe, so use the vegetables you already have.
You could also add:
- Red bell pepper
- Finely chopped broccoli
- Frozen peas
- Eggplant
- Extra zucchini
- Kale instead of spinach
- Chili flakes for some heat
You don’t need to turn every variation into a completely different recipe—the basic formula of lentils + vegetables + tomates is easy to adapt.
Make It Ahead
The lentil bolognese sauce is a great component to prepare ahead of time.
Make the sauce, let it cool, and keep it in an airtight container in the refrigerator. Then simply cook fresh pasta when you need a quick meal.
You can also use leftover sauce for more than spaghetti. Try it with:
- Baked potatoes
- Pasta bakes
- Lasagna
- Grain bowls
- Toasted bread
- Stuffed vegetables
More Easy Vegetarian Pasta Ideas
If you need more ideas for pasta night, try:
- Lentil Spaghetti Bolognese – the original version with mushrooms and celery.
- Parsley Pesto Pasta with Toasted Cashews – perfect when you have fresh parsley to use up.
- Pistachio Pesto Pasta – a simple green pesto with basil and pistachios.
- 15-Minute Spaghetti with Red Pesto – an especially quick dinner made with sun-dried tomatoes and sunflower seeds.
Don’t Know What to Cook? Start With the Vegetables in Your Fridge
Half a zucchini, a carrot, or a bag of spinach doesn’t need a separate recipe.
Add them to a simple tomato and lentil sauce, cook some pasta, and dinner is sorted.
That’s what makes this veggie-packed lentil bolognese such a useful meal to keep in your rotation: it’s less about following the exact same recipe every time and more about having a simple formula you can adapt to what you already have.
Want to make meals like this easier to plan?
Ingredients
Method
- Bring 1 cup of water to a boil in a small saucepan.
- Add the lentils and 1/2 teaspoon salt. Cook for about 20 minutes, or until the lentils are tender but still hold their shape.
- They don’t need to become completely soft at this stage because they’ll continue cooking in the tomato sauce.
- Drain any excess water and set aside.
- While the lentils cook, finely dice the onion and garlic.
- Grate the carrot using the coarse side of a box grater and cut the zucchini into small cubes.
- Heat the olive oil in a large skillet over medium heat.
- Add the onion, garlic, grated carrot, and dried oregano.
- Cook for about 3–4 minutes, stirring occasionally, until the onion begins to soften.
- Add the diced zucchini and cook for another 3–4 minutes.
- Pour in the two cans of diced tomatoes.
- Add the cooked lentils, dried basil, and balsamic vinegar. Stir everything together.
- Bring to a gentle simmer and cook for about 15–20 minutes, stirring occasionally, until the zucchini and carrot are tender and the tomato sauce has reduced and thickened slightly.
- If you prefer a thicker bolognese, simply let it simmer uncovered for a few extra minutes.
- Add the fresh spinach to the skillet.
- It may look like a lot at first, but it will quickly wilt into the sauce.
- Stir and cook for another 2–3 minutes, until all the spinach has softened.
- Season with salt and black pepper to taste.
- Meanwhile, cook the spaghetti according to the package instructions until al dente.
- Drain and divide between plates.
- Spoon plenty of lentil and vegetable bolognese over the spaghetti and finish with grated vegetarian Parmesan.
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