Olive Garden Alfredo Sauce Recipe

When I was testing this sauce to match that Olive Garden texture, I found the key step was letting the heavy cream simmer for exactly 3 minutes before adding the cheese. That short simmer gives the sauce that smooth, restaurant-style body. Here’s my simple 15-minute method for making copycat Olive Garden alfredo sauce at home.

Read Before You Turn On The Stove

#1 – Grating a fresh block of Parmesan will get you the smoothest result. However, during our recent recipe testing, we broke the rules and used a tub of pre-shredded parmesan in a pinch. The sauce still had a great flavor and texture! If you need to chance it with pre-shredded, just whisk vigorously over low heat.

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#2 – Add the salt with the garlic and garlic powder. That step spreads the seasoning evenly through the sauce instead of sitting on top at the end.

Ingredient Notes

• I strongly recommend unsalted butter so you can perfectly control the sodium level at the end.
• Freshly minced cloves will give you a much sharper, authentic restaurant flavor than jarred garlic.
• Don’t substitute the heavy whipping cream with half and half as it lacks the fat content needed and your sauce will break.
• Learn from my trial and error – use whole milk not skim or 2% milk. Cutting the heavy cream with just enough whole milk is the secret to a silky consistency.
• I recommend buying authentic Parmigiano Reggiano cheese.

A smooth and creamy Alfredo sauce comes down to steady heat and patience. When creating this recipe, rushing the process was the fastest way to break the sauce.

• Prep the Dairy: I always let the cream, milk, and cheese sit out while I prep the garlic. Adding cold dairy to a hot skillet can shock the sauce and slow everything down.

• Control the Heat: I cook this sauce over low to medium-low heat the entire time. Garlic burns quickly, and boiling cream can cause the cheese to separate.
• Whisk the Flour: When the flour goes into the butter and garlic, I whisk continuously. That step prevents lumps and cooks out the raw flour flavor before the liquids go in.
• Melt the Cheese Gradually: I sprinkle the Parmesan in small handfuls, whisking until each addition melts before adding more.
• Keep the Heat Low: Once the Parmesan goes in, too much heat can cause the cheese to seize and the sauce to break.

Getting the Consistency Right

Alfredo thickens quickly as it cools, so the sauce in the pan should be slightly thinner than you think it needs to be. Once tossed with hot pasta, the starch from the noodles will naturally thicken the sauce.

Before draining the fettuccine, scoop out about ½ cup of its cooking water. If the sauce thickens too much, adding a tablespoon at a time of the starchy hot water will bring it back.

How To Use This Sauce

While this is the perfect sauce for tossing with fettuccine, you can also use this exact recipe as the rich, from-scratch foundation for baked pastas and casseroles.

Skip the jarred sauce and use this as a direct 1:1 substitute in my:

• Chicken and Broccoli Penne Alfredo
• Chicken Spinach Alfredo
• Chicken Alfredo Stuffed Shells
• Asiago Tortellini Alfredo with Grilled Chicken

How To Serve, Store And Reheat

To Serve – A rich, heavy cream sauce needs the right sides to either cut through the richness or soak up what is left in the bowl. Skip the store-bought sides and pair it with these:

• Copycat Olive Garden Salad – For the full restaurant-at-home experience.
• Garlic Knots from Crescent Rolls – Perfect for soaking up every bit of sauce left on the plate.
• Oven Roasted Vegetables – Add caramelized crunch that balances pasta.

To Store – Let the sauce cool completely, transfer it to a glass jar with a tight lid, and refrigerate for up to 4 days.

Do not freeze this sauce. The heavy cream and whole milk will separate in the freezer, completely ruining the texture.

To Reheat – Alfredo is notorious for “breaking” or separating into a greasy pool if you blast it in the microwave.

To safely reheat leftovers, place the pasta and sauce in a skillet over medium-low heat. Add a splash of cold whole milk and gently toss with tongs until the sauce loosens up and becomes creamy again.

Recipe Testing Notes (Updated Feb 2026)

This recipe was originally developed and photographed in 2020. To ensure it still meets our strict restaurant-quality standards, our independent recipe tester, Karen, re-tested it from scratch in February 2026.

• The Verdict: The sauce-to-pasta ratio remains perfect, leaving just enough extra cream in the bottom of the bowl.
• Tester Correction (The Salt): During testing, Karen noted that the original instructions didn’t clearly state when to add the salt (it should go in with the garlic powder). The recipe card below has been updated to reflect this.
• Tester Tip: Always add a few shakes of salt directly to your boiling water before adding the fettuccine noodles. Top the final dish with a little extra grated parmesan.

Olive Garden Alfredo Recipe

5 from 84 votes

Ditch the store-bought jars! Our kitchen-tested Olive Garden Alfredo sauce uses a specific ratio of heavy whipping cream to whole milk to achieve the ultimate silky, restaurant-quality texture. This easy, from-scratch recipe is specifically formulated so it won't separate or break, perfectly coating your favorite fettuccine every single time.

Prep Time 5 minutes minutes

Cook Time 15 minutes minutes

Total Time 20 minutes minutes

Servings 6

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Ingredients

  

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Pasta

• 16 ounces fettuccine or linguine pasta

Alfredo Sauce

• 6 tablespoons salted butter (¾ stick)
• 1 tablespoon minced garlic
• 1 teaspoon garlic powder
• ½ teaspoon table salt
• 2 tablespoons all-purpose flour
• 1¼ cups heavy cream
• 1½ cups whole milk
• 1 cup freshly grated Parmesan cheese (from a block)

For Serving

• Finely chopped fresh parsley (optional)

Instructions

 

• Cook the fettuccine according to package directions. Drain and set aside.
• In a large skillet over medium heat, melt the butter until it's bubbling.
• Add the minced garlic, garlic powder, and salt. Whisk to combine.
• Sprinkle the flour over the butter and garlic mixture. Whisk until smooth.
• Slowly whisk in the heavy cream and milk.
• Bring the sauce to a gentle boil.
• Reduce the heat to low and simmer for 2 to 3 minutes, until slightly thickened.
• Whisk in the parmesan cheese until melted.
• Add the cooked fettuccine to the skillet.
• Use tongs to toss the pasta in the sauce until coated.
• Garnish with fresh parsley and serve.

Video

Notes

• Tester Tip (Updated Feb 2026): Add a few shakes of salt directly to your boiling water before adding the fettuccine noodles to ensure the pasta is properly seasoned.
• Tester Tip: For the best restaurant-style presentation, serve immediately with fresh parsley sprinkled over the warm pasta and an extra grating of fresh parmesan cheese on top

Nutrition

Calories: 677kcal | Carbohydrates: 61g | Protein: 20g | Fat: 39g | Saturated Fat: 23g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 11g | Trans Fat: 1g | Cholesterol: 179mg | Sodium: 622mg | Potassium: 335mg | Fiber: 3g | Sugar: 5g | Vitamin A: 1355IU | Vitamin C: 1mg | Calcium: 332mg | Iron: 2mg

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