Lazy Girl Three Ingredient Pasta

Featured in: Weeknight Dinners

This pasta dish combines dried pasta with a simple, luscious sauce made from butter, freshly grated Parmesan, and reserved pasta water. Cook the pasta al dente, then toss it off heat with butter until melted. Stir in Parmesan and reserved water until creamy, seasoning with salt and pepper to taste. The sauce clings perfectly to the noodles, offering rich flavor with minimal effort. Perfect for busy days, this dish can be enhanced with fresh herbs or nutmeg and adapts easily to dietary needs.

Updated on Thu, 25 Dec 2025 15:46:00 GMT
Steaming bowl of Lazy Girl Three-Ingredient Pasta, coated in creamy Parmesan and butter sauce. Pin it
Steaming bowl of Lazy Girl Three-Ingredient Pasta, coated in creamy Parmesan and butter sauce. | purposepan.com

There's a particular kind of magic that happens when you stop overthinking dinner. One Wednesday night, standing in front of a half-empty pantry with exactly three things to work with, I discovered that sometimes the simplest ingredients speak the loudest. Butter, cheese, and pasta water transformed into something so silky and satisfying that I stopped apologizing for the meal and started celebrating it. This isn't fancy cooking—it's honest cooking, the kind that proves you don't need a crowded ingredient list to create something genuinely craveable.

I made this for my roommate on a night when we both came home exhausted, and watching her face light up over something so straightforward reminded me that food doesn't need to be complicated to matter. She asked for the recipe immediately, which felt like the highest compliment a lazy-night dinner could receive.

Ingredients

  • Dried pasta (200 g): Spaghetti, linguine, or fettuccine all work beautifully; choose whatever you have on hand or prefer the texture of.
  • Unsalted butter (50 g): The quality of this butter matters more than you'd think—it's doing real work here, so use something you'd actually want to eat on toast.
  • Freshly grated Parmesan cheese (60 g): Pre-grated cheese has anti-caking agents that interfere with the sauce coming together smoothly, so a microplane and a block are worth the extra 30 seconds.
  • Pasta cooking water (60–80 ml): This starchy liquid is what transforms two basic ingredients into silky sauce, so don't skip it or replace it with regular water.
  • Salt and black pepper: Taste as you go—the sauce should taste seasoned enough that you don't need more than a light hand at the end.

Instructions

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Get the water going:
Fill a large pot with plenty of water, salt it generously until it tastes like a light ocean, and bring it to a rolling boil—this is your only chance to season the pasta itself.
Cook the pasta:
Add the pasta and cook until al dente, which means it still has a tiny bit of resistance when you bite it. Follow the package time, then taste a strand to be sure.
Save the magic liquid:
Before draining, ladle out about 150 ml of the starchy pasta water into a measuring cup or small bowl—this is your secret weapon.
Build the sauce:
Return the hot, drained pasta to the pot off the heat, add the butter, and toss until every strand glistens. The residual heat will melt it completely into the pasta.
Create the emulsion:
Sprinkle in the Parmesan and pour in about 60 ml of pasta water, then toss vigorously for a full minute—you're watching for the moment when it shifts from separate ingredients to a cohesive, creamy sauce. Add more water if needed, a splash at a time.
Finish and serve:
Taste, adjust salt and pepper to your preference, and plate immediately while everything is still warm and glossy.
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Golden, glossy Lazy Girl Three-Ingredient Pasta, ready to serve with extra grated Parmesan cheese. Pin it
Golden, glossy Lazy Girl Three-Ingredient Pasta, ready to serve with extra grated Parmesan cheese. | purposepan.com

The first time someone asked me for this recipe, they said it was the thing they'd been craving on nights when everything felt too heavy or complicated. That's when I realized this simple pasta isn't lazy cooking at all—it's smart cooking, the kind that knows exactly what you need.

The Power of Restraint

There's a reason this dish works, and it has everything to do with choosing quality over quantity. When you're working with only three main ingredients, each one has nowhere to hide—the butter needs to taste like butter, the cheese needs to taste like cheese, and the pasta needs to have actual flavor and texture. This limitation forces you to stop thinking about what you're adding and start thinking about what you're choosing. It's a small shift in mindset, but it changes everything about how you approach cooking on busy nights.

Customizing Without Complicating

Once you understand how this sauce works, you'll start seeing ways to nudge it without overwhelmingly changing it. A whisper of freshly grated nutmeg adds a whisper of warmth, while fresh herbs like parsley or chives bring brightness without demanding extra cooking steps. Some nights I add a pinch of red pepper flakes while the butter is melting, letting the heat infuse it subtly. The sauce is flexible enough to welcome small additions, but simple enough that you'll come back to the three-ingredient version just as often because sometimes that's exactly what you need.

The Ritual of Simplicity

Making this pasta becomes a small ritual on nights when you need to slow down without spending extra time. You're not fighting with a complicated recipe; you're watching the transformation happen in real time, learning the exact moment when the sauce comes together. There's something calming about it, almost meditative. This is comfort food that doesn't ask you to suffer for it, and that's a gift on its own.

  • Keep the pasta water nearby while tossing so you can add more in small splashes if the sauce seems too thick.
  • If you're cooking for just yourself, halving the recipe still works perfectly—the ratio is what matters.
  • Serve this immediately; every minute of waiting means the sauce begins to thicken and separate, so always have your bowls ready.
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Quick and easy Lazy Girl Three-Ingredient Pasta, a comforting vegetarian meal perfectly cooked al dente. Pin it
Quick and easy Lazy Girl Three-Ingredient Pasta, a comforting vegetarian meal perfectly cooked al dente. | purposepan.com

This pasta taught me that sometimes the best meals aren't the ones that required the most effort, but the ones that tasted like exactly what you needed in that moment. Keep this recipe close for nights when simplicity feels like the smartest choice.

Recipe FAQs

How do you achieve a creamy sauce with only three ingredients?

The combination of butter, Parmesan, and hot pasta water emulsifies when tossed with pasta, creating a smooth, creamy coating without cream.

What pasta types work best for this dish?

Long, thin pastas like spaghetti, linguine, or fettuccine hold the sauce well and deliver the best texture.

Can I customize the flavor of this pasta?

Yes, adding freshly grated nutmeg or chopped herbs enhances the flavor, and swapping Parmesan for Pecorino Romano offers a sharper taste.

Is it important to reserve pasta water?

Yes, the starchy pasta water helps bind the sauce ingredients and adjust its consistency for a silky finish.

What allergens should I be aware of in this dish?

This dish contains wheat gluten and dairy from butter and Parmesan. Alternative gluten-free pasta can be used if needed.

Lazy Girl Three Ingredient Pasta

Quick pasta with butter, Parmesan, and pasta water creating a creamy, comforting sauce in minutes.

Prep time
5 minutes
Cook time
12 minutes
Total duration
17 minutes
Author Amelia Cook


Skill Level Easy

Cuisine Italian-Inspired

Portions 2 Serving size

Diet Information Veg-Friendly

What You Need

Pasta

01 7 oz dried pasta (spaghetti, linguine, or fettuccine)

Sauce

01 3.5 tablespoons unsalted butter
02 2 oz freshly grated Parmesan cheese

For Finishing

01 Salt, to taste
02 Freshly ground black pepper, to taste (optional)

Step-by-Step Guide

Step 01

Cook pasta: Bring a large pot of salted water to a boil. Add the pasta and cook according to package instructions until al dente.

Step 02

Reserve pasta water and drain: Reserve about 2/3 cup of the pasta cooking water, then drain the pasta.

Step 03

Coat pasta with butter: Return the hot pasta to the pot off the heat. Add the butter and toss until melted and the pasta is evenly coated.

Step 04

Incorporate Parmesan and pasta water: Sprinkle in the Parmesan cheese and gradually add 1/4 to 1/3 cup of the reserved pasta water. Toss vigorously until a creamy sauce forms, adding more water as needed to reach desired consistency.

Step 05

Season and serve: Season with salt and freshly ground black pepper to taste. Serve immediately, optionally topped with extra Parmesan.

What You'll Need

  • Large pot
  • Colander
  • Measuring cup
  • Tongs or pasta fork
  • Grater

Allergy List

Review all items for allergens and talk to a medical expert if you're unsure.
  • Contains wheat (gluten) and milk (dairy in butter and Parmesan). Check product labels for allergens if using pre-grated cheese or alternative pasta.

Nutrition details (per portion)

Nutrition details are just for your reference and shouldn't substitute a medical consultation.
  • Calories: 520
  • Fat content: 22 grams
  • Carbohydrates: 60 grams
  • Protein: 18 grams