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Garlic Butter Pasta

Garlic butter pasta with parsley and parmesan on a rustic white plate.

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A restaurant-quality, 15-minute weeknight dinner savior. This simple recipe transforms pantry staples into a bowl of pure comfort with a silky, garlicky butter sauce.

Ingredients

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  • 1 pound (16 oz) long pasta, such as spaghetti, linguine, or fettuccine
  • 1/2 cup (1 stick) unsalted butter
  • 8-10 large garlic cloves, minced (about 1/4 cup)
  • 1/2 teaspoon crushed red pepper flakes (optional)
  • 1 cup reserved pasta water
  • 1 cup freshly grated Parmesan cheese, plus more for serving
  • 1/4 cup fresh parsley, finely chopped
  • Salt and freshly ground black pepper, to taste

Instructions

  1. Bring a large pot of generously salted water to a boil. Cook pasta according to package directions for al dente. Before draining, carefully reserve 1 1/2 cups of the starchy pasta water.
  2. While pasta cooks, melt butter in a large skillet over medium-low heat. Add minced garlic and red pepper flakes (if using). Cook, stirring constantly, for 2-3 minutes until fragrant and just golden. Do not let it brown.
  3. Slowly pour 1 cup of the reserved pasta water into the skillet. Let it simmer for 1 minute to emulsify into a silky sauce.
  4. Add the drained pasta to the skillet. Using tongs, toss and swirl the pasta vigorously for 1-2 minutes to coat.
  5. Remove skillet from heat. Sprinkle in grated Parmesan cheese and most of the chopped parsley. Toss until cheese is melted and pasta is glossy. Add more pasta water if sauce is too thick.
  6. Taste and season with salt and black pepper. Garnish with remaining parsley and extra Parmesan. Serve immediately.

Notes

Do not burn the garlic. Use only freshly grated Parmesan for a smooth sauce. The starchy pasta water is essential for sauce consistency. For a lighter version, use half butter and half olive oil, or add vegetables like spinach.

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