Caramelized Leek Pasta is a rich, flavorful dish that transforms simple ingredients into a comforting and elegant meal. Sweet, buttery leeks are slowly cooked down with shallots and garlic, then tossed with pasta, lemon, fresh herbs, and Parmesan for a perfectly balanced dish. It’s versatile, vegetarian-friendly, and easily adapted for vegan or gluten-free diets.
Why You’ll Love This Recipe
- Sweet, caramelized leeks add depth and richness to the pasta.
- Simple ingredients come together for a restaurant-quality dish.
- Easy to customize—vegan, gluten-free, or with added proteins.
- A great way to highlight seasonal leeks.
- Comforting yet light enough for any time of year.

Ingredients
(Tip: You’ll find the full list of Ingredients and measurements in the recipe card below.)
3 tablespoons unsalted butter (vegan if needed)
3 leeks, chopped and rinsed (white and light green parts only, about 4 cups)
1 medium shallot, diced
4 large garlic cloves, minced
1/2 teaspoon kosher salt, plus more for pasta water
8 ounces dried rigatoni, penne, or fusilli pasta (use gluten-free if needed)
1/2 lemon, zested and juiced
1 small bunch fresh chives (or other fresh herb of choice), chopped
Parmesan cheese, for serving (vegan if needed)
Directions
- In a large sauté pan, melt 2 tablespoons of butter over medium-low heat. Add the leeks and shallot. Sprinkle with salt and cook for 15–20 minutes, stirring occasionally, until softened and caramelized.
- Stir in the garlic and cook for about 1 minute until fragrant.
- Meanwhile, cook pasta according to package instructions in generously salted water. Drain, reserving some pasta water.
- Add the cooked pasta to the leek mixture along with the remaining tablespoon of butter. Toss to coat, adding a splash of pasta water if needed for silkiness.
- Stir in lemon zest, lemon juice, half of the chopped chives, and Parmesan. Taste and adjust seasoning.
- Serve topped with remaining chives and extra Parmesan.
Servings and timing
This recipe makes 4 servings.
- Prep time: 10 minutes
- Cook time: 25 minutes
- Total time: 35 minutes
Variations
- Add crispy pancetta, bacon, or prosciutto for a meaty version.
- Stir in baby spinach or peas for added greens.
- Use goat cheese instead of Parmesan for a tangy twist.
- Swap chives for fresh parsley, thyme, or basil.
- Make it vegan by using olive oil or vegan butter and dairy-free Parmesan.
Storage/Reheating
- Store leftovers in an airtight container in the refrigerator for up to 3 days.
- Reheat gently on the stovetop with a splash of water or broth to prevent drying out.
- Avoid freezing, as the leeks and pasta may lose their texture.

FAQs
How do I clean leeks properly?
Slice them lengthwise and rinse thoroughly under running water to remove dirt between layers.
Can I make this vegan?
Yes, use vegan butter and plant-based Parmesan.
What pasta works best?
Short pasta like rigatoni, penne, or fusilli holds the sauce well, but spaghetti or linguine also work.
Can I caramelize leeks ahead of time?
Yes, they can be cooked up to 2 days in advance and refrigerated until ready to use.
Is this dish heavy?
No, the lemon juice brightens it up, balancing the richness of the butter and Parmesan.
Can I add protein?
Yes, grilled chicken, shrimp, or chickpeas work well.
How do I make it extra creamy?
Stir in a splash of cream or mascarpone cheese at the end.
Can I substitute shallots?
Yes, use a small onion if shallots aren’t available.
Does the lemon overpower the dish?
No, it adds brightness without overwhelming the sweet leeks. Adjust to taste.
Can I double this recipe?
Yes, just use a larger skillet to caramelize the leeks evenly.
Conclusion
Caramelized Leek Pasta is a simple yet refined dish that showcases the natural sweetness of leeks in a comforting pasta. With garlic, lemon, fresh herbs, and Parmesan, every bite is balanced and flavorful. Perfect for weeknight dinners or entertaining, it’s a versatile recipe you’ll want to make again and again.
Print
Caramelized Leek Pasta
- Total Time: 35 mins
- Yield: 4 servings
- Diet: Vegetarian
Description
Caramelized Leek Pasta is a comforting yet elegant dish featuring sweet, buttery leeks slowly cooked with shallots and garlic, then tossed with pasta, lemon, fresh herbs, and Parmesan. This vegetarian-friendly recipe is simple, versatile, and perfect for highlighting seasonal leeks while delivering restaurant-quality flavor in just 35 minutes.
Ingredients
3 tablespoons unsalted butter (vegan if needed)
3 leeks, chopped and rinsed (white and light green parts only, about 4 cups)
1 medium shallot, diced
4 large garlic cloves, minced
1/2 teaspoon kosher salt, plus more for pasta water
8 ounces dried rigatoni, penne, or fusilli pasta (use gluten-free if needed)
1/2 lemon, zested and juiced
1 small bunch fresh chives (or other fresh herb), chopped
Parmesan cheese, for serving (vegan if needed)
Instructions
- In a large sauté pan, melt 2 tablespoons butter over medium-low heat. Add leeks and shallot, sprinkle with salt, and cook for 15–20 minutes until softened and caramelized, stirring occasionally.
- Stir in garlic and cook for 1 minute until fragrant.
- Meanwhile, cook pasta in salted water according to package directions. Drain, reserving some pasta water.
- Add pasta to the leek mixture with the remaining tablespoon of butter. Toss to coat, adding pasta water as needed for silkiness.
- Stir in lemon zest, lemon juice, half the chopped chives, and Parmesan. Adjust seasoning to taste.
- Serve topped with remaining chives and extra Parmesan.
Notes
- Clean leeks thoroughly by slicing lengthwise and rinsing to remove dirt between layers.
- Make it vegan with olive oil or vegan butter and dairy-free Parmesan.
- Caramelized leeks can be made ahead and refrigerated for up to 2 days.
- Add pancetta, peas, or spinach for variations.
- Reheat leftovers gently with a splash of water or broth to restore creaminess.
- Prep Time: 10 mins
- Cook Time: 25 mins
- Category: Main Dish
- Method: Sautéing
- Cuisine: Italian-Inspired
Nutrition
- Serving Size: 1 serving
- Calories: 420
- Sugar: 6g
- Sodium: 310mg
- Fat: 15g
- Saturated Fat: 8g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 58g
- Fiber: 5g
- Protein: 14g
- Cholesterol: 35mg