Lemon Butter Pasta Light

Featured in: Smart Weeknight Meals

This bright, zesty capellini features a luxurious lemon-butter sauce that perfectly coats each strand of pasta. The combination of fresh lemon zest and juice creates a vibrant flavor profile while butter adds richness without heaviness.

Ready in just 20 minutes, this dish balances simplicity and sophistication. Freshly grated Parmesan and chopped parsley add depth and color, while the silky sauce clings beautifully to the delicate angel hair pasta.

Perfect for a quick weeknight dinner or an elegant lunch, this versatile main dish pairs wonderfully with grilled shrimp or chicken if you want to add protein. The vegetarian-friendly recipe serves four and delivers restaurant-quality results with minimal effort.

Updated on Thu, 15 Jan 2026 15:15:00 GMT
Steaming capellini noodles tossed in a glossy lemon butter sauce, garnished with fresh parsley and Parmesan, served in a white pasta bowl.  Pin it
Steaming capellini noodles tossed in a glossy lemon butter sauce, garnished with fresh parsley and Parmesan, served in a white pasta bowl. | fungeniusrecipe.com

My tiny apartment kitchen was filled with the most incredible citrus aroma when I first attempted this pasta last spring. I had grabbed lemons on impulse at the farmers market, their skins still faintly warm from the sun, and decided dinner should be something that tasted like brightness itself. The way the butter melted into that lemon juice, creating this silky golden pool, made me realize sometimes the simplest combinations hit the hardest. Now whenever gray weather creeps in, this is my go to reminder that sunshine exists.

My sister claimed she hated lemon in savory dishes until I made this for her during one of her stressful work weeks. She took one bite, went completely silent for ten seconds, then asked if I could teach her how to make it right there and then. Now she texts me every time she makes it, usually with some variation of I cannot believe something this fast tastes this good. Theres something about watching someone reconsider their entire food philosophy over a bowl of pasta that just never gets old.

Ingredients

  • Capellini pasta: Angel hair cooks lightning fast and grabs onto that butter lemon sauce like nothing else
  • Unsalted butter: You want control over the salt level and high quality butter makes all the difference here
  • Fresh lemons: Both the zest and juice are non negotiable for that punchy citrus brightness
  • Extra virgin olive oil: Adds a fruity grassiness that balances all that rich butter
  • Parmesan cheese: Freshly grated melts into the sauce creating this incredible velvety finish
  • Fresh parsley: Brings a little earthiness and makes everything look prettier

Instructions

Get your water going first:
Drop that salt into a big pot of water and bring it to a rolling boil
Cook the pasta fast:
Capellini is delicate so watch it like a hawk and scoop out some pasta water before draining
Build that silky sauce:
Melt butter with olive oil in your skillet then let the lemon zest and juice warm through until fragrant
Bring it all together:
Toss the noodles directly into the sauce adding splashes of pasta water until it coats every strand
Finish with love:
Stir in Parmesan and parsley right off the heat then season until it hits perfect
A close-up of Lemon Butter Pasta Light, with a zesty lemon wedge and grated cheese beside the silky angel hair pasta.  Pin it
A close-up of Lemon Butter Pasta Light, with a zesty lemon wedge and grated cheese beside the silky angel hair pasta. | fungeniusrecipe.com

This became my entire personality during one particularly hot July when turning on the oven felt like a punishment. I ate it on my balcony with cold white wine and watched fireflies while the city cooled down around me. Something about that bright zesty flavor just makes everything feel lighter and more manageable.

Making It Your Own

Once you have the basic technique down this pasta becomes a canvas for whatever you are craving. I have added blistered cherry tomatoes in summer and roasted garlic when I want something more mellow and comforting. The lemon butter base plays nice with practically anything.

Perfect Pairings

A crisp white wine cuts through that butter richness while echoeing the citrus notes. I keep things simple with a green salad dressed in nothing but olive oil and lemon juice plus maybe some crusty bread for sopping up any remaining sauce. Sometimes the simplest sides let the main character shine.

Troubleshooting Your Sauce

If your sauce looks greasy or separated do not panic. The fix is usually more pasta water added gradually while tossing vigorously. That starchy water is magic and brings everything back together. Also remember that the sauce continues thickening off heat so it might look too thin initially.

  • Grate your Parmesan fresh because pre grated often contains anti caking agents that affect melting
  • Zest your lemons before juicing them or you will have a miserable time trying to hold a squeezed lemon
  • Toss constantly once you add the pasta to prevent sticking and ensure even coating
Quick 20-minute Lemon Butter Pasta Light recipe plated with a sprinkle of black pepper, ready for a light vegetarian dinner. Pin it
Quick 20-minute Lemon Butter Pasta Light recipe plated with a sprinkle of black pepper, ready for a light vegetarian dinner. | fungeniusrecipe.com

Life is too short for boring pasta and this recipe has never once let me down. Hope it becomes your quick fix for days when you need something bright and beautiful on your table.

Recipe FAQs

What type of pasta works best for this dish?

Capellini (angel hair) is ideal because its delicate texture allows the light lemon-butter sauce to coat evenly. The thin strands also cook quickly, perfect for this 20-minute meal. Linguine or spaghetti work as substitutes if needed.

Can I make this dish ahead of time?

This pasta is best served immediately while the sauce is silky and the pasta is perfectly coated. The sauce tends to absorb quickly into thin pasta. If meal prepping, store sauce and pasta separately, then reheat gently with a splash of pasta water before combining.

How do I prevent the sauce from separating?

Remove the skillet from heat before adding Parmesan—this prevents the cheese from seizing. The reserved pasta water is crucial; the starch helps create an emulsion that keeps the butter and lemon juice blended into a smooth, glossy sauce.

What wine pairs well with lemon butter pasta?

A crisp Sauvignon Blanc or Pinot Grigio beautifully complements the bright citrus notes. The wine's acidity mirrors the lemon while cutting through the butter's richness. For a white with more body, a chilled Chardonnay works wonderfully too.

How can I adjust the lemon flavor?

Start with the juice of two lemons, then taste before adding more. The zest provides concentrated lemon aroma without overwhelming acidity. If you prefer subtler lemon flavor, reduce the juice to one tablespoon while keeping both lemons' zest for fragrance.

Is this suitable for special diets?

The dish is naturally vegetarian and can be made vegan by using plant-based butter and nutritional yeast or vegan Parmesan. For gluten-free needs, swap capellini for gluten-free angel hair. The recipe contains dairy and wheat in its traditional form.

Lemon Butter Pasta Light

Delicate capellini in a silky lemon-butter sauce with Parmesan and parsley. Ready in 20 minutes.

Prep time
10 minutes
Cook time
10 minutes
Complete time
20 minutes
Created by Fungeniusrecipe Chloe Anderson

Recipe category Smart Weeknight Meals

Skill level Easy

Cuisine type Italian

Portions 4 Number of servings

Dietary details Meatless

What You Need

Pasta

01 12 oz capellini (angel hair pasta)
02 1 tablespoon salt (for pasta water)

Sauce

01 1/4 cup unsalted butter
02 2 large lemons, zested and juiced (about 1/4 cup juice)
03 2 tablespoons extra-virgin olive oil

Finishing

01 1/4 cup grated Parmesan cheese, plus more for serving
02 2 tablespoons chopped fresh parsley
03 Freshly ground black pepper, to taste
04 Salt, to taste

How to Make

Step 01

Cook the pasta: Bring a large pot of salted water to a boil. Add the capellini and cook according to package instructions until al dente (typically 2–3 minutes). Reserve 1/2 cup of pasta cooking water, then drain the pasta.

Step 02

Prepare the lemon butter sauce: While the pasta cooks, melt the butter in a large skillet over medium heat. Add the olive oil, lemon zest, and lemon juice. Stir to combine and let it warm through for 1–2 minutes.

Step 03

Combine pasta and sauce: Add the drained capellini to the skillet. Toss to coat the pasta evenly, adding reserved pasta water as needed to create a silky sauce.

Step 04

Finish with cheese and herbs: Remove from heat. Stir in the grated Parmesan, chopped parsley, and season with salt and freshly ground black pepper to taste.

Step 05

Serve immediately: Divide among plates, garnish with extra Parmesan and parsley if desired, and serve immediately.

Equipment needed

  • Large pot
  • Colander
  • Large skillet
  • Zester or microplane
  • Citrus juicer
  • Tongs

Allergy details

Don’t forget to check each item for allergens. Talk to a healthcare professional if you’re unsure.
  • Contains: Milk (butter, Parmesan), Wheat (pasta). Check labels for potential cross-contamination if sensitive.

Nutrition (each serving)

These nutrition facts are for reference only. Always consult an expert for medical advice.
  • Calorie count: 410
  • Fat content: 17 g
  • Carbohydrates: 54 g
  • Protein content: 11 g