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The Best Homemade Alfredo Sauce: Creamy, Rich, and Ready in Minutes

Close-up of spaghetti generously coated in creamy homemade alfredo sauce and topped with grated Parmesan cheese.

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Stop ordering takeout! Master the ultimate creamy, restaurant-style Homemade Alfredo Sauce in under 15 minutes with this foolproof stovetop recipe. You will achieve a silky, non-grainy sauce every time using just a few quality ingredients.

Ingredients

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  • 6 tablespoons unsalted butter
  • 2 cloves garlic, minced
  • 1 cup heavy cream
  • 1 1/2 cups freshly grated Parmesan cheese (use the good stuff!)
  • 1/4 teaspoon salt, or to taste
  • 1/4 teaspoon black pepper, or to taste
  • Pinch of nutmeg (optional, but recommended)

Instructions

  1. Melt the butter in a large skillet or saucepan over medium heat. You want it fully melted but not browned.
  2. Add the minced garlic to the melted butter. Cook for about 30 seconds until you can smell the fragrance. Do not let the garlic burn.
  3. Pour in the heavy cream. Bring the mixture to a gentle simmer, stirring occasionally. Let it simmer for about 3 to 5 minutes until it thickens slightly. This step is key for a velvety Alfredo.
  4. Reduce the heat to low. Gradually whisk in the freshly grated Parmesan cheese, a handful at a time. Whisk constantly until the cheese is fully melted and incorporated. If you add it too fast, the sauce can become grainy.
  5. Once smooth, stir in the salt, pepper, and the pinch of nutmeg, if using. Taste the sauce and adjust seasonings as needed.
  6. Remove the pan from the heat immediately. If the sauce is too thick, add a tablespoon or two of reserved pasta water (if you cooked pasta) or milk to reach your desired consistency.
  7. Toss immediately with hot fettuccine pasta or use as a topping for chicken or vegetables.

Notes

  • Always use freshly grated Parmesan cheese. Pre-shredded cheese contains anti-caking agents that prevent the sauce from becoming smooth and creamy.
  • Keep the heat low when adding the cheese. High heat causes the proteins in the cheese to seize up, resulting in a grainy texture.
  • This sauce is best served immediately. If you need to reheat it later, warm it gently on the stove over very low heat, adding a splash of cream or milk to restore the texture.

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