Easy Fettuccine Alfredo Recipe [20 Minutes, 5 Ingredients]

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Introduction

Meet your new weeknight hero. This Easy Fettuccine Alfredo recipe takes 20 minutes and needs just 5 ingredients. Boil the fettuccine, then melt butter and stir in freshly grated Parmesan for a creamy Alfredo sauce. Add a little starchy pasta water so the sauce turns smooth and glossy. Toss the pasta in the pan, taste, and season. Serve right away for restaurant-style comfort. It’s homemade, kid-friendly, and budget-smart—perfect for a 20-minute dinner.

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5 Ingredients You Need (Plus Smart Swaps)

Fettuccine (dry), cooked al dente

Choose classic fettuccine for the best bite. Cook it al dente so the creamy Alfredo sauce grips the pasta. Save some starchy pasta water for the finish.

Unsalted butter (quality matters)

Use unsalted butter for clean, rich flavor. It anchors this Easy Fettuccine Alfredo recipe and keeps salt in your control.

Heavy cream (or pasta water for a lighter, Roman-style take)

Pick heavy cream for a smooth, lush homemade Alfredo sauce. Or go Roman-style: skip cream and use hot pasta water for a light, glossy emulsion.

Freshly grated Parmigiano-Reggiano (avoid pre-shredded)

Grate it fresh so it melts fast and turns silky. Pre-shredded cheese has starch, so it clumps and dulls flavor.

Garlic (optional), plus salt & black pepper to finish

Bloom a little garlic for gentle warmth, or leave it out. Then taste, season with salt and black pepper, and serve your 20-minute dinner.

Step-by-Step (20-Minute Timeline)

Fettuccine boiling in a stainless-steel pot with a wooden spoon, creating starchy pasta water for an easy Alfredo.
Cook fettuccine in well-salted water until al dente—then save some starchy water to build a silky, creamy Alfredo sauce.

0–5 min: Boil well-salted water; warm serving bowls

First, fill a large pot and salt it like the sea. Bring it to a rolling boil. Meanwhile, warm your bowls in a low oven or with hot water. This sets you up for an Easy Fettuccine Alfredo recipe.

5–8 min: Melt butter; gently warm cream; soften garlic

Next, melt butter in a wide pan over low heat. Add cream and stir; keep it hot but never boiling. Then add minced garlic for 30 seconds. You’re building a rich base for a creamy Alfredo sauce.

8–12 min: Cook fettuccine; reserve starchy pasta water

Now drop the fettuccine and cook it al dente. Before you drain, ladle out a cup of starchy pasta water. This water will help the sauce cling and shine.

12–15 min: Off heat, whisk in Parmesan to emulsify; loosen with pasta water

Then pull the pan off the heat. Sprinkle in finely grated Parmesan and whisk fast. Add small splashes of pasta water until you get a smooth, glossy emulsion—your homemade Alfredo sauce.

15–20 min: Toss pasta in sauce until glossy; season and plate

Finally, add the pasta to the pan and toss with tongs. Adjust with a little more water if you need extra silk. Season with salt and black pepper. Plate at once, shower with Parmesan, and enjoy your 20-minute dinner.

Pro Tips for a Silky Emulsion

Use these moves to keep your Easy Fettuccine Alfredo recipe smooth, creamy, and glossy.

Grate cheese finely (microplane) for easy melting

Grate Parmesan very fine with a microplane. It melts fast and creates a creamy Alfredo sauce.

Combine cheese off the heat to prevent splitting

Kill the flame, then whisk in the cheese. This keeps your homemade Alfredo sauce silky and stable.

Add pasta water gradually; toss vigorously with tongs

Add hot, starchy pasta water a little at a time. Then toss hard with tongs to build a glossy emulsion.

Keep sauce hot, not boiling; avoid curdling

Hold the pan over low heat. Keep it hot, but never let it boil.

If it breaks: add warm water, whisk hard, then a knob of butter

Don’t panic. Splash in warm water, whisk fast, then finish with a small knob of butter to bring it back.

Variations & Add-Ins

Creamy fettuccine Alfredo in a shallow bowl, lit by a candle, with a glass of juice, fork, and napkin on a warm wooden table.
Silky fettuccine tossed with butter and fresh Parmesan. Plate it hot and enjoy a cozy 20-minute dinner.

Roman-style (no cream): just butter, cheese, pasta water

Skip the cream. Use butter, Parmigiano, and hot pasta water. Toss hard to form a silky, glossy emulsion. It tastes lighter yet still gives a creamy Alfredo sauce.

Protein: sliced grilled chicken, or sautéed shrimp

Cook the protein first, then add it at the end. Slice chicken thin, or quickly sear shrimp. This turns your Easy Fettuccine Alfredo recipe into a full, weeknight pasta meal.

Veggies: peas, broccoli florets, or sautéed mushrooms

Blanch peas or broccoli in the pasta water. Meanwhile, brown mushrooms for deep flavor. Fold veggies into the homemade Alfredo sauce for color, texture, and freshness.

Cheese tweaks: Grana Padano or a touch of Pecorino Romano

Grate the cheese very fine. Try 70% Parmigiano + 30% Pecorino for a bolder bite. Then taste and adjust salt, since Pecorino is naturally salty.

Flavor boosts: lemon zest, pinch of nutmeg, cracked black pepper

Zest lemon over the pan for lift. Add a tiny pinch of nutmeg for warmth. Finish with black pepper. Now you’ve got a bright, rich 20-minute dinner.

Serving, Pairing & Storage

Serve immediately in warm bowls; extra Parm on top

Heat your bowls first. Then plate the pasta at once so the creamy Alfredo sauce stays silky. Finish with more freshly grated Parmesan.

Pair with simple green salad or garlicky roasted veg

Go light on the side. A crisp green salad balances this Easy Fettuccine Alfredo recipe. Or serve roasted broccoli or green beans with garlic.

Wine idea: light, crisp white; non-alcoholic: sparkling water + lemon

Choose Pinot Grigio or Sauvignon Blanc for a fresh match. Or pour sparkling water with lemon for a clean, bright sip.

Leftovers: cool fast; fridge 2–3 days; reheat gently with splash of water/cream

Cool the pasta quickly, then cover and chill. Reheat on low with a splash of pasta water or cream. Stir until smooth and glossy.

Not freezer-friendly; sauce texture suffers

Skip the freezer. The homemade Alfredo sauce can split after thawing, so the texture turns grainy. Enjoy it fresh as a 20-minute dinner.

Creamy Fettuccine Alfredo

Twirl of creamy fettuccine Alfredo on a beige plate, glossy sauce with black pepper in warm golden light.

Creamy Fettuccine Alfredo

Make Creamy Fettuccine Alfredo in 20 minutes with 5 ingredients. Cook fettuccine al dente, melt butter, warm cream, then whisk in freshly grated Parmesan off the heat. Add a splash of pasta water for a silky, glossy sauce. Toss, season, and serve hot. Simple weeknight pasta with big, restaurant-style flavor.
Prep Time 5 minutes
Cook Time 15 minutes
Total Time 20 minutes
Servings: 4
Course: dinner, lunch
Cuisine: Italian, Italian- American
Calories: 750

Ingredients
  

  • 12 oz 340 g fettuccine
  • 6 Tbsp 85 g unsalted butter
  • 1 cup 240 ml heavy cream
  • 1 cup 90 g finely grated Parmigiano-Reggiano, plus extra to serve
  • 1 –2 garlic cloves minced (optional)
  • Salt and black pepper
  • Reserve: 1 cup hot pasta water

Method
 

  1. Boil pasta: Bring a large pot of well-salted water to a boil. Cook fettuccine until al dente. Scoop out 1 cup pasta water.
  2. Start sauce (low heat): In a wide pan, melt butter. Stir in cream; heat until steaming (do not boil). Add garlic for 30 seconds if using. Turn heat to low.
  3. Emulsify: Off the heat, whisk in Parmesan until smooth. Add ¼–½ cup pasta water to make a silky sauce.
  4. Toss: Add drained pasta to the pan. Toss vigorously 30–60 seconds, adding splashes of pasta water until glossy and well-coated.
  5. Finish: Season with salt and black pepper. Plate hot with extra Parmesan (and parsley if you like). Enjoy!

FAQs

1) How do I stop the sauce from splitting?

Kill the heat before you add cheese. Whisk fast and add starchy pasta water in small splashes. Keep it hot, not boiling, for a glossy emulsion.

2) Can I skip the cream (Roman-style)?

Yes. Use butter, finely grated Parmigiano-Reggiano, and hot pasta water. Toss hard until the sauce turns silky.

3) What cheese works best?

Choose freshly grated Parmigiano-Reggiano. It melts fast and tastes bright. Grana Padano also works; add a touch of Pecorino for extra bite.

4) Should I use pre-shredded cheese?

No. It often contains starch and anti-caking agents. These block melting and dull the flavor of your homemade Alfredo sauce.

5) How much pasta water should I add?

Start with ¼ cup. Then add more by the splash until the sauce looks smooth and shiny. You control thickness this way.

Conclusion

Five ingredients. Twenty minutes. This Easy Fettuccine Alfredo recipe gives you a creamy Alfredo sauce with a glossy emulsion. It tastes like date night, yet it cooks like weeknight pasta. Use fresh Parmigiano-Reggiano and keep the heat gentle. Add starchy pasta water, then toss until it turns silky. Plate it hot and enjoy a true 20-minute dinner—simple, homemade, and satisfying.

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