Red Lentil and Walnut Bolognese

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Bolognese is a family staple. I don’t know about the rest of you, but it’s a big feature of our family meal plans. The kids have always loved it, and why wouldn’t they? Bolognese is easy, great value for money, filling, tasty, nutritious and frankly, the ultimate comfort food.

Although we are meat-eaters, we try to have a couple of meat-free meals every week. It’s good for the environment, great for your gut, and a fantastic way to eat a wider range of vegetables and other whole foods. So, obviously, we need a good plant-based bolognese recipe!

Bowl of vegetarian bolognese with spaghetti, cooking pan in the background.

Recipe Breakdown

  • Recipe Name: Red Lentil and Walnut Bolognese
  • ⏱️Time: 50 minutes
  • 🧑‍🍳Serves: 4-6 People
  • 💪Difficulty: Easy
  • 🍴Ingredient Highlight: Red Lentils
  • 💛Why You’ll Love it: It’s easy, tasty and a fantastic way to enjoy a vegetarian pasta dinner. 

Over the last year or so, I’ve spent quite a bit of time learning more about nutrition, food, and where it comes from. This hasn’t put me off meat as such, but it has certainly made me think more about what we eat. We haven’t made huge changes, but there’s certainly a lot less cheap ham in our lives! 

It’s also meant that we’ve tried hard to eat a wider variety of whole foods, and a little bit less meat. This has led to experimentation with making meat-free versions of some of our favourites. Fortunately, my kids love beans and lentils, so this hasn’t been too tricky. 

Red lentils are one of my favourite meat substitutes. They taste great, and have a texture that isn’t miles away from minced beef. 

A lentil bolognese is lovely, but many of the recipes I found seemed to lack something. Adding walnuts just gives you something extra in terms of flavour and texture. I also reduced a lot of steps that some recipes were using.

For example, you don’t need to soak your lentils if they are in a recipe like this that allows them to simmer in sauce. It’s just a waste of time. Adding stock and tomatoes at the same time also means that the ingredients still have time to simmer and build flavour, but you aren’t waiting for ages.

Red Lentil and Walnut Bolognese served in bowl with spaghetti, cooking pan in the background.

Donna’s Notes

I’m a big fan of comforting, flavourful family dinners like bolognese, and honestly, this lentil bolognese is so good we never miss the meat. In fact, I think I might even prefer it! However, if you do, add some! Go half lentil, half meat!

Why You’ll Love it

  • Walnuts are full of healthy fats, which most of us don’t get enough of. 
  • It’s high in fibre, again something most of us need to boost. 
  • It’s delicious.
  • The kids will love it!
  • It’s full of simple ingredients – you don’t need anything fancy. 

Ingredients, Variations and Substitutions

Ingredients for lentil bolognese on table.

Olive Oil

Yellow Onion 

Garlic Puree – As part of my quest to eat less ultra-processed food, I really need to start using fresh garlic. But I haven’t yet. You can! I’d say 4 cloves, crushed. 

Dried Oregano

Dried Thyme – Again, fresh is great. But dried is convenient. Balance! If you prefer, basil instead of oregano and thyme, or just a tablespoon of Italian mixed herbs, is great. 

Sea Salt

Freshly Ground Black Pepper 

Tomato Puree

Dry Red Wine – You can skip this and the step that comes with it entirely if you want to. 

Vegetable Stock

Red Lentils

Walnuts – I buy a pack from the baking aisle and crush them with a rolling pin. You could try cashew nuts too if you prefer them generally. 

Passata

Balsamic Vinegar – this isn’t essential, but it adds a really nice depth to the flavour. 

Spaghetti – To serve. Use other pasta if you prefer. 

Parmesan – Again, just to serve, skip it if you prefer. When I take my leftovers to work, I top with grated cheddar. It’s also worth noting that Parmesan is the only ingredient that isn’t suitable for vegans, so if you are looking to make this a vegan bolognese, skip it or add a plant-based alternative. 

Other things that you can add include diced carrots and celery for a traditional bolognese sauce, mushrooms, which I absolutely would add but my kids don’t like them, and crushed tomatoes instead of passata. 

You’ll Also Need

I make it in a large, non-stick frying pan, but any flameproof pan or dish is fine. I also use a chopping board, sharp knife, spatula, large saucepan and colander. You’ll also need a grater if you are adding Parmesan. 

How to Make Red Lentil and Walnut Bolognese – Step-by-Step Instructions

Full, easy-to-follow instructions and quantities are available in the recipe card at the bottom of this post.

Step One

Heat a large non-stick, flameproof pan over a medium heat on the hob. 

Step Two

Add the oil and warm for a minute or two. 

Step Three

Add the onions with a pinch of salt and pepper and fry for 10 minutes, stirring often. Don’t skimp on this time.

onions frying in pan with salt and pepper.

Step Four

Add the garlic and herbs and fry for 1 minute. Fry for a little longer if you are using fresh garlic cloves. 

onions, garlic puree and herbs frying in a large pan.

Step Five

Stir in the tomato puree and fry for 1 minute, stirring constantly until the onions are red and sticky. They’ll start to form clumps. 

onions in tomato puree frying in a pan.

Step Six

Pour in the wine and simmer for 3 minutes until it’s nice and jammy. Stir fairly regularly. 

red wine bubbling in frying pan.

Step Seven

Pour in the stock and stir well. Add the lentils, walnuts and passata. Mix it all really well. The walnuts might make the sauce look a bit funky. Don’t worry, it will all come together. 

Reduce the heat if necessary, maintaining a low simmer. I tend to turn it right down.

simmering bolognese.

Step Eight 

Simmer, stirring occasionally for 30 minutes. If it’s too thick at any point, add a splash of water. If it needs longer to thicken, go for it. 

lentil bolognese cooking in frying pan.

Step Nine

Meanwhile, cook and drain your pasta according to the package instructions. I use spaghetti and simmer it for around 10 minutes in salted water. Cook yours to suit you. 

Step Ten

After 30 minutes, stir in the balsamic vinegar, salt and pepper to taste.

lentil bolognese cooking in frying pan. Balsamic vinegar poured in.

Expert Tips and Tricks

My only tip for this recipe is to really take your time! Give the onions the full ten minutes, and the sauce a good 30 minutes. You can go longer, but I don’t recommend reducing it. It needs this long for the sauce to thicken and the flavours develop. If at any point it seems too thick, add a little water. 

fork with spaghetti and bolognese.

Leftovers and Storage

You can absolutely keep this for another day! If possible, I recommend making fresh pasta, but maybe this is because I don’t have a microwave!

Store leftovers in the fridge in an airtight container for 2-3 days, or in the freezer for up to two months. Reheat in the microwave, or in a pan over a low heat until piping hot. If frozen, make sure you thaw fully in the fridge first. 

cooked vegetarian bolognese in pan. Served portion to the side.

FAQ

Can you make bolognese with red lentils?

Yes! We also use this bolognese recipe for lasagne. I think maybe you can make any minced beef recipe with lentils instead. 

When to add walnuts to bolognese?

I add them with the lentils, before the long simmer, so the flavour really enriches the sauce. 

Other Recipes You Might Like

If you are looking for other meat-free family recipes, you might want to try my sweet potato chilli and my vegetable tagine recipes. 

For fabulous comfort food, try my cheese and potato pie or corned beef hash, and for family pasta recipes, try sausage fusilli or my chorizo Mac and cheese.

Bowl of vegetarian bolognese with spaghetti, cooking pan in the background.
served portion of spaghetti and red lentil bolognese.

Red Lentil and Walnut Bolognese

Author NameDonna
A hearty and nutritious twist on a classic favourite, this Red Lentil and Walnut Bolognese combines rich, savoury flavours with plant-based protein for a satisfying meal everyone will love.
Prep Time 5 minutes
Cook Time 45 minutes
Total Time 50 minutes
Course Dinner
Cuisine British, Italian
Servings 4
Calories 358 kcal

Ingredients
  

  • 1 Tablespoon Olive Oil
  • 1 Yellow Onion (Finely Diced)
  • 2 Tablespoons Garlic Purée
  • 1 Teaspoon Dried Oregano
  • 1 Teaspoon Dried Thyme
  • Pinch Sea Salt and Freshly Ground Black Pepper
  • 1 Tablespoon Tomato Puree
  • 150 ml Dry Red Wine
  • 500 ml Vegetable Stock
  • 185 g Red Lentils
  • 40 g Walnuts (Crushed)
  • 500 g Passata
  • Spaghetti (Enough for four)
  • 1 Tablespoon Balsamic vinegar
  • Parmesan (to serve. Measure with your heart.)

Instructions
 

  • Heat a large non-stick, flameproof pan over a medium heat on the hob.
  • Add the oil and warm for a minute or two.
  • Add the onions with a pinch of salt and pepper and fry for 10 minutes, stirring often.
  • Add the garlic and herbs and fry for 1 minute.
  • Stir in the tomato puree and fry for 1 minute, stirring constantly until the onions are covered.
  • Pour in the wine and simmer for 3 minutes until a groove remains when you run your spatula down the middle.
  • Pour in the stock and stir well.
  • Add the lentils and walnuts. Stir.
  • Pour in the passata, stir and bring to a simmer.
  • Reduce the heat if necessary, maintaining a low simmer.
  • Simmer, stirring occasionally for 30 minutes.
  • Meanwhile, cook and drain your pasta according to the package instructions.
  • After 30 minutes, stir in the balsamic vinegar and salt and pepper to taste.
  • Serve with the spaghetti and finish with parmesan if desired.

Notes

Calories are for bolognese only. Calculate the pasta using the packet. 

Any nutritional information is given as a general guide only and may not be accurate. The information is provided using an online calculator and is specific to my ingredients. Please make your own calculations if you want precise information.

Keyword pasta recipes, vegan recipe, vegetarian recipes

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Donna Dundas
Donna Dundas is an experienced family food blogger who has been creating easy and wholesome recipes for over 10 years. Her blog is a must-read for anyone looking for filling and delicious recipe ideas, that reduce waste and minimise stress.

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