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  1. Home
  2. Recipes
  3. Creamy Leek and Mushroom Pasta (Vegan One-Pot Wonder)
Appetizers And Snacks
Main Course
Pasta And Noodles
Quick And Easy
Comfort Food
Low Calorie
23 October 2025

Creamy Leek and Mushroom Pasta (Vegan One-Pot Wonder)

RecipeShare Test Kitchen

Creamy Leek and Mushroom Pasta (Vegan One-Pot Wonder)

A creamy, dairy-free leek and mushroom pasta that’s rich, comforting, and ready in 30 minutes. Perfect for busy weeknights or an easy vegan dinner that feels indulgent yet healthy.

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The Symphony of Leek and Mushroom Pasta

Leek and Mushroom Pasta is a harmonious blend of earthy mushrooms, subtly sweet leeks, and a creamy sauce that wraps around each strand of pasta, ensuring every bite is a burst of flavor. The dish is a testament to the beauty of simplicity, where fresh ingredients shine and create a symphony of tastes and textures.

Ingredients

  • 200 grams of pasta
  • 250 grams of pasta water (reserved from boiling the pasta)
  • 2 tablespoons of olive oil
  • 2 teaspoons of garlic, minced
  • Chilli flakes, to your liking
  • 300 grams of leeks, sliced
  • 250 grams of button mushrooms, sliced
  • 1 teaspoon of salt, to taste
  • Black pepper, to taste
  • 1 teaspoon of dried oregano
  • 1 teaspoon of dried thyme

The Cooking Process: Crafting the Magic

  1. Boil the pasta according to package instructions. Aim for a slightly underdone texture as we'll complete the cooking in the sauce. Before draining, remember to reserve about 250 grams of pasta water.
  2. Simultaneously, grab a large pan and sauté the garlic and chili flakes in olive oil.
  3. Introduce the leeks to the pan and sauté until they wilt. Next, add in the mushrooms and cook until they're soft and tender.
  4. Now, it's time for the pasta and pasta water to join the party. Simmer until the sauce thickens.
  5. Season with salt and pepper, and sprinkle in the dried oregano and thyme. Stir well, and voilà, your Leek and Mushroom Pasta is ready to serve!

The Art of Choosing and Preparing Leeks

Leeks, with their mild onion-like taste, are a crucial ingredient in this dish.

When selecting leeks, opt for ones that have firm, straight stems and bright green leaves.

To prepare, slice off the dark green parts and wash the remaining section thoroughly to remove any trapped dirt.

Substitute Ingredients: Alternatives on Hand

Don't have all the ingredients? Not to worry! Here are some handy substitutes:

  • Leeks: You can replace leeks with onions or shallots.
  • Button Mushrooms: Feel free to use cremini, shiitake, or portobello mushrooms.
  • Fresh Herbs: Substitute dried herbs with fresh ones, bearing in mind the 3:1 fresh to dried ratio.

Nutritional Breakdown: What's in Your Bowl

Based on a serving size of 100 grams:

  • Calories: 175
  • Carbohydrate Content: 28g
  • Cholesterol Content: 10mg
  • Fat Content: 5g
  • Protein Content: 6g
  • Saturated Fat Content: 2g
  • Sodium Content: 250mg
  • Sugar Content: 2g
  • Trans Fat Content: 0g
  • Unsaturated Fat Content: 3g

Please note these values are estimates only and should not be used for medical or dietary requirements.

Serving Suggestions: The Perfect Pairings

To elevate your pasta dish further, pair it with a crisp green salad or a warm garlic bread. A glass of white wine like Sauvignon Blanc also complements the dish beautifully.

Elevate Your Dish: Tips and Tricks

  • For an added layer of flavor, consider adding a splash of white wine while sautéing the mushrooms.
  • Freshly grated Parmesan cheese can be sprinkled on top for a richer taste.
  • If you're looking for a hint of zest, a squeeze of fresh lemon juice can brighten up the dish.

Preparation and Cooking Technique

Here are some of our quick tips to get the best out of this dish:

  • Be sure to clean your leeks to remove all remaining dirt or sand. Keep only the white part of the leeks, cutting off the roots and the green leaves on top. Slice the leeks lengthwise, rinse under water, then chop.
  • Slice the mushrooms into bite-sized pieces. Remember that mushrooms tend to become smaller when cooked, so adjust the size of your slices accordingly.
  • Cook the pasta slightly just before al-dente. We will finish it off with the vegetables and the sauce in a pan.
  • Add as much garlic as you want! Add the garlic to the oil even before the oil is hot to avoid burning the garlic.
  • Saute the leeks and mushrooms until soft and tender. This will release all those flavourful juices that will make the dish fabulous.
  • Once the leeks and mushrooms are cooked, add the cooked pasta and the pasta water and toss over medium heat until the sauce is slightly thickened.
  • Don't forget to season with salt and pepper towards the end of the cooking process to ensure the perfect balance of seasoning is achieved.

FAQs

What can I use instead of leeks?

Onions or shallots are excellent substitutes for leeks. They provide a similar texture and mild, sweet flavor.

Can I use any type of pasta?

Absolutely! Feel free to use whatever pasta you have on hand. However, long pasta like spaghetti or fettuccine tends to work best with this kind of sauce.

Is there a vegan alternative for this dish?

Definitely! You can substitute the regular pasta with a vegan variant and use a plant-based oil in place of olive oil if desired.

Can I freeze this pasta for later use?

Yes, this dish freezes quite well. Just ensure you cool it completely before freezing. When you're ready to eat, defrost and reheat it, adding a bit of water if needed.

How can I make my pasta more flavorful?

To intensify the flavors, sauté the garlic until it's golden, and don't shy away from the herbs! Fresh herbs can add a lot more flavor than dried ones.

Creamy Leek and Mushroom Pasta (Vegan One-Pot Wonder)

RecipeShare Test Kitchen

A creamy, dairy-free leek and mushroom pasta that’s rich, comforting, and ready in 30 minutes. Perfect for busy weeknights or an easy vegan dinner that feels indulgent yet healthy.

Creamy Leek and Mushroom Pasta (Vegan One-Pot Wonder) image
Appetizers And Snacks
Main Course
Pasta And Noodles
Quick And Easy
Comfort Food
Low Calorie
Prep Time
10 mins
Cook Time
20 mins
Total Time
30 mins
Servings
4

Chef's Tips

  • Add a splash of oat cream or cashew cream for extra richness.

  • Use whole-wheat pasta for added fiber and a nutty taste.

  • Top with nutritional yeast or vegan Parmesan for cheesy flavor.

  • Add spinach or kale at the end for extra greens.

Tools Used

Large PanCooking Pot(opens in a new tab)

We use affiliate links, which may earn us a small commission at no extra cost to you.

Ingredients

USMetric

Main Ingredients

Instructions

Preparation

  1. 1

    Boil the pasta according to package instructions, reserving 250 grams of pasta water.

  2. 2

    Sauté the garlic and chili flakes in olive oil in a large pan.

  3. 3

    Sauté the leeks until they wilt, then add in the mushrooms and cook until they're soft and tender.

  4. 4

    Add the pasta and pasta water to the pan, simmering until the sauce thickens.

  5. 5

    Season with salt and pepper, and sprinkle in the dried oregano and thyme.

Comments & Reviews

  • Liam

    10/4/2023

    Made this after work, super quick and satisfying. Definitely adding it to my weekly rotation.

  • Sarah

    9/21/2023

    Added a splash of coconut cream and spinach—turned out perfect! My family loved it.

  • Marco

    9/10/2023

    Didn’t expect something so creamy without dairy—amazing flavor combo with leeks and mushrooms.

  • Anna

    8/29/2023

    Loved this recipe! Simple yet so flavorful. Will definitely make again.

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Nutrition Facts

Serving Size: 100g

Calories 175
% Daily Value*
Total Fat 5ggNaN%
Saturated Fat NaNgNaN%
Trans Fat 0g
Cholesterol 10mgmgNaN%
Sodium 250mgmgNaN%
Total Carbohydrates 28ggNaN%
Dietary Fiber 2ggNaN%
Sugars 2gg
Protein 6gg

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

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