This lemon garlic spaghetti combines fresh lemon, garlic, butter, and Parmesan with starchy pasta water for a silky sauce. The sauce is prepared while the spaghetti cooks, bringing the complete recipe together in 20 minutes.
Why You'll Love My Lemon Garlic Spaghetti
- Balanced lemon flavor: Fresh juice and zest cut through the butter and Parmesan without overpowering the garlic.
- Silky without heavy cream: Parmesan and starchy pasta water create a smooth sauce that coats every strand.
- Gentle chili heat: Fresh red chili adds warmth while keeping the lemon and garlic central.
- Flexible serving: The finished spaghetti works as a simple dinner or as a pasta side for chicken, seafood, or vegetables.
I make this lemon garlic spaghetti when I want something comforting that still feels bright and easy to finish. It suits busy evenings because the sauce comes together while the spaghetti cooks. My lemon ricotta pasta with spinach is creamier, while this version keeps its sauce centered on Parmesan and pasta water. I choose shrimp scampi pasta when I want those lemon-garlic flavors with seafood. But this spaghetti remains my simpler choice when I want the pasta itself to stay central. That simplicity is why it still fits my weeknight routine.
I like the way fresh lemon cuts through the butter and Parmesan without hiding the garlic. The red chili adds gentle heat, while parsley keeps the sauce tasting balanced. The finished spaghetti should look glossy, with a silky sauce clinging to each strand. I keep the heat low and add the Parmesan gradually so it melts into the pasta water. My spaghetti aglio e olio uses a similar garlic-oil base, but lemon and Parmesan change the finish. My garlic butter sauce shares the same bright richness, while pasta water gives this spaghetti its glossy texture.
Key Ingredients in Lemon Garlic Spaghetti
These ingredients build the lemon-garlic flavor and help the sauce coat the spaghetti smoothly.
- Spaghetti and pasta water: I use spaghetti because the long strands carry the sauce well, while pasta water helps bind it.
- Garlic, chili, and olive oil: For me, fresh garlic provides the main savory flavor, while red chili adds gentle warmth.
- Lemon and parsley: I add fresh lemon juice and zest for brightness, with parsley keeping the finished flavor balanced.
- Butter and Parmesan: I combine both with pasta water to create a rich, glossy sauce without using heavy cream.
How to Make Lemon Garlic Spaghetti
The sauce can be prepared while the spaghetti cooks, bringing the complete recipe together in 20 minutes. You can find the complete printable recipe with measurements below.
1. Cook the spaghetti: Boil the spaghetti in salted water until al dente, reserving some pasta cooking water before draining.
2. Prepare the garlic base: Cook the garlic and red chili briefly in olive oil, then stir in the lemon zest and parsley.
3. Add butter and lemon: Toss the spaghetti with the seasonings, butter, lemon juice, and enough pasta water to make it glossy.
4. Finish with Parmesan: Reduce the heat, add the Parmesan gradually, and toss until the sauce evenly coats the spaghetti.
Tips for Silky Lemon Garlic Spaghetti
- Cook the pasta until al dente: The spaghetti continues cooking briefly in the skillet, so it should retain some bite.
- Keep the garlic pale: Cook it only until fragrant because browned garlic can overpower the fresh lemon flavor.
- Use fresh lemon juice: Freshly squeezed juice gives the sauce a cleaner, brighter finish than bottled lemon juice.
Storage
I store leftover lemon garlic spaghetti in an airtight container in the refrigerator for up to three days. I reheat it gently with a splash of water to loosen the Parmesan sauce.
What to Serve With Lemon Garlic Spaghetti
I serve this spaghetti with a tomato burrata salad when I want a fresh, colorful side. Sautéed zucchini adds a warm vegetable, while homemade ciabatta is useful for collecting the sauce.
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Recipe
Lemon Garlic Spaghetti
Ingredients
- 225 g spaghetti
- 3 tablespoons extra virgin olive oil
- 5 garlic cloves - finely minced
- ½ fresh red chili - finely chopped
- 1 teaspoon lemon zest
- 2 tablespoons fresh parsley - finely chopped
- ½ teaspoon salt - or to taste
- ¼ teaspoon freshly ground black pepper
- 2 tablespoon unsalted butter
- 2 tablespoon fresh lemon juice
- 180 ml pasta cooking water - as needed
- 150 g Parmesan cheese - finely grated
Instructions
- Bring a large pot of salted water to a boil. Add 225 g spaghetti and cook according to the package directions until al dente. Reserve 180 ml pasta cooking water before draining.
- While the spaghetti cooks, heat 3 tablespoons extra virgin olive oil in a large skillet over medium heat. Add 5 garlic cloves, finely minced, and ½ fresh red chili, finely chopped. Cook for 30-60 seconds until fragrant without letting the garlic brown. Stir in 1 teaspoon lemon zest and 2 tablespoons fresh parsley, finely chopped, then cook for another 1-2 minutes.
- Transfer the drained spaghetti directly to the skillet. Add ½ teaspoon salt, ¼ teaspoon freshly ground black pepper, 2 tbsp unsalted butter, and 2 tbsp fresh lemon juice. Toss continuously, adding a little reserved pasta cooking water until the butter melts and the spaghetti looks glossy.
- Reduce the heat to low. Gradually add 150 g Parmesan cheese while tossing continuously. Add more reserved pasta cooking water as needed until the cheese melts into a silky sauce that evenly coats the spaghetti.
- Serve the lemon garlic spaghetti immediately while the sauce is smooth and glossy.
Notes
Nutrition
Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.
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