Creamy Garlic Butter Pasta Recipe | Easy Garlic Spaghetti Dinner

If you crave a big bowl of cozy comfort, this creamy garlic butter pasta hits every note. Tender spaghetti twirled through a silky garlic-parmesan sauce tastes luxurious, yet you can have it on the table fast. It’s a simple, weeknight-friendly dinner that still feels special.

You need basic pantry ingredients, a pot, and one skillet. I’ll walk you through the details so your sauce turns out glossy and smooth every time—no curdling, no clumps, just rich, garlicky goodness that hugs every strand of pasta.

Why This Creamy Garlic Butter Pasta Delivers Big Flavor

This dish works because it blends straightforward technique with bold, familiar flavors. A few smart steps make a huge difference.

• Balanced garlic flavor: Gently sautéed garlic infuses the butter without burning, so you taste sweetness, not bitterness.
• Silky, stable sauce: A touch of starchy pasta water emulsifies butter, cream, and cheese into a glossy coat that clings to the noodles.
• Fast and flexible: It cooks in about 20 minutes and welcomes add-ins like lemon, spinach, or cooked chicken.
• Restaurant-style finish: Tossing the pasta in the pan with the sauce builds body and shine you can’t get in a mixing bowl.

Ingredients

For the pasta

• 12 ounces spaghetti (or linguine)
• Kosher salt, for the pasta water

For the creamy garlic butter sauce

• 6 tablespoons unsalted butter, divided
• 6–8 garlic cloves, finely minced or grated
• 1 cup heavy cream (or 3/4 cup cream + 1/4 cup whole milk)
• 3/4 cup freshly grated Parmesan cheese, plus more for serving
• 1/2 teaspoon freshly ground black pepper
• 1/4–1/2 teaspoon red pepper flakes (optional, for gentle heat)
• 1 tablespoon fresh lemon juice (optional, brightens the sauce)
• 1/4 cup chopped fresh parsley or chives, for garnish
• Reserved pasta water (start with 1/2 cup; you may not need all of it)

Ingredient notes

• Freshly grated Parmesan melts better than pre-shredded, which can contain anti-caking agents that cause graininess.
• Use good butter. European-style butter or a quality unsalted butter brings rich flavor to a minimal-ingredient sauce.
• Heavy cream resists curdling and creates the best texture. Lighter dairy can work with more care (see Variations).

How to Make Creamy Garlic Butter Spaghetti

1) Boil the pasta

1. Bring a large pot of water to a rolling boil. Salt generously—the water should taste like the sea.
2. Add spaghetti and cook until just shy of al dente, usually 1 minute less than package instructions.
3. Before draining, reserve at least 1 cup of pasta water. Drain the pasta.

2) Build the garlic butter base

1. While the pasta cooks, heat a large skillet over medium.
2. Add 4 tablespoons butter and let it melt until foamy.
3. Add minced garlic. Cook 60–90 seconds, stirring, until fragrant and just turning pale gold. Do not brown the garlic.
4. Stir in red pepper flakes if using. Add black pepper.

3) Make it creamy

1. Pour in the cream. Bring to a gentle simmer—small bubbles around the edges, not a rapid boil.
2. Whisk in the remaining 2 tablespoons butter.
3. Lower the heat. Add Parmesan in small handfuls, whisking until melted and smooth.
4. If the sauce looks too thick, add a splash of pasta water to loosen.

4) Toss and finish

1. Add the drained spaghetti straight to the skillet. Toss vigorously for 1–2 minutes. Emulsify with pasta water as needed until the sauce coats every strand and looks glossy.
2. Taste and adjust salt. Add lemon juice if you want brightness.
3. Top with more Parmesan and chopped parsley or chives. Serve immediately.

Texture tips

• Too thick? Add warm pasta water 1–2 tablespoons at a time.
• Too thin? Simmer briefly while tossing, or add a little more cheese.
• Clumpy cheese? Remove from heat, splash in pasta water, and whisk hard to smooth it out.

How to Store Leftover Garlic Butter Pasta

• Cool completely, then transfer to an airtight container.
• Refrigerate for up to 3 days. Creamy sauces taste best within the first 24–48 hours.
• Reheat gently in a skillet over low heat with a splash of water, milk, or cream. Stir until the sauce loosens and turns silky again.
• Avoid the microwave if you can. It heats unevenly and can break the sauce. If you must, use 50% power in short bursts and stir often.

Why You’ll Love Making This

• Weeknight easy: Minimal prep, 20 minutes, one skillet for the sauce.
• Pantry-friendly: Pasta, butter, garlic, cream, and Parmesan—simple staples, big payoff.
• Comfort first: Creamy, garlicky, and cozy without feeling heavy when balanced with lemon and herbs.
• Kid-approved, date-night worthy: It’s unfussy, but it tastes like you fussed.

Mistakes to Avoid

• Overcooking garlic: Burnt garlic turns bitter fast. Keep heat moderate and watch closely.
• Skipping pasta water: The starch binds the sauce to the noodles. Don’t drain it all away.
• Boiling the cream hard: A gentle simmer keeps the sauce smooth and prevents separation.
• Adding cheese too quickly: Sprinkle in small handfuls over low heat to prevent clumping.
• Waiting to combine: Toss pasta with the sauce immediately so it absorbs flavor while hot.

Tasty Variations to Try

• Lemon-Garlic: Add extra lemon zest and finish with juice for a bright, zippy finish.
• Mushroom Upgrade: Sauté sliced cremini in butter until browned, then proceed with the garlic.
• Spinach or Peas: Toss in baby spinach at the end or add thawed peas for color and sweetness.
• Chicken or Shrimp: Add cooked shredded chicken or quickly sauté shrimp in butter and garlic, then fold into the sauce.
• Browned Butter Twist: Brown half the butter until nutty before adding garlic for deeper flavor.
• Lighter Cream: Use half-and-half and stabilize with extra pasta water and gradual cheese addition.
• Gluten-Free: Use your favorite gluten-free spaghetti and watch the timing closely.

FAQ

Can I use milk instead of cream?

Yes, but proceed carefully. Use whole milk, keep the heat low, and lean on starchy pasta water to help the sauce emulsify. The result tastes lighter and slightly less rich.

What cheese works best?

Freshly grated Parmesan or Pecorino Romano both melt beautifully. I prefer Parmesan for a mellower, buttery flavor.

How do I prevent the sauce from splitting?

• Simmer gently, never boil hard.
• Add cheese gradually over low heat.
• Use pasta water to adjust consistency and keep everything glossy.

Which pasta shape should I pick?

Spaghetti or linguine shine in this sauce, but fettuccine or bucatini also work. Choose a shape that twirls and holds sauce well.

Can I make it ahead?

Make the sauce up to 2 hours ahead and keep it on low, but the best texture happens when you finish it fresh with hot pasta. For true make-ahead, undercook pasta by 2 minutes, cool, then reheat in the sauce with pasta water.

Final Thoughts

This creamy garlic butter spaghetti proves that simple ingredients and good technique can deliver restaurant-quality comfort at home. Keep your heat moderate, save that pasta water, and toss with confidence. Dinner’s ready—and it’s gloriously garlicky, silky, and satisfying.

Creamy Garlic Butter Pasta

Tender spaghetti tossed in a silky garlic-parmesan cream sauce for a fast, cozy weeknight dinner.

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Prep Time

5 minutes

Cook Time

15 minutes

Total Time

20 minutes

Servings

4 servings

Ingredients

• 12 ounces spaghetti (or linguine)
• Kosher salt, for the pasta water
• 6 tablespoons unsalted butter, divided
• 6–8 garlic cloves, finely minced or grated
• 1 cup heavy cream (or ¾ cup cream + ¼ cup whole milk)
• ¾ cup freshly grated Parmesan cheese, plus more for serving
• ½ teaspoon freshly ground black pepper
• ¼–½ teaspoon red pepper flakes (optional)
• 1 tablespoon fresh lemon juice (optional)
• ¼ cup chopped fresh parsley or chives, for garnish
• Reserved pasta water (start with ½ cup; you may not need all of it)

Instructions

1. Bring a large pot of salted water to a boil (it should taste like the sea). Cook spaghetti until just shy of al dente, about 1 minute less than package directions. Reserve at least 1 cup pasta water, then drain.
2. While pasta cooks, heat a large skillet over medium. Melt 4 tablespoons butter until foamy.
3. Add minced garlic and cook 60–90 seconds, stirring, until fragrant and just pale golden; do not brown. Stir in red pepper flakes (if using) and black pepper.
4. Pour in the cream and bring to a gentle simmer. Whisk in the remaining 2 tablespoons butter.
5. Lower heat and add Parmesan in small handfuls, whisking until melted and smooth. If too thick, loosen with a splash of pasta water.
6. Add drained spaghetti to the skillet and toss vigorously 1–2 minutes, emulsifying with pasta water as needed until glossy and well coated.
7. Taste and adjust salt; add lemon juice if desired. Top with more Parmesan and parsley or chives. Serve immediately.