Olive Garden Alfredo Sauce (Copycat)

Name: Olive Garden Alfredo Sauce Recipe (Copycat)
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Ingredients: 8 oz Fettuccine; 4 tablespoons Unsalted butter; 3 cloves Garlic (minced); 2 tablespoons All purpose flour (Maida); ¾ cup Milk (full-fat, whole milk); 1 cup Heavy whipping cream; ½ teaspoon Salt; ¼ teaspoon Black pepper powder; ½ teaspoon Italian seasoning; ¾ cup Vegetarian parmesan cheese (freshly grated and loosely packed)

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Skip the reservation. This Olive Garden Alfredo sauce copycat is richer, creamier, and honestly better than what you get at the restaurant — and it’s on the table in 20 minutes. Whether you’re having a cozy Italian dinner or just want a comforting bowl of fettuccine Alfredo, this recipe is perfect.

Flavor: Rich, buttery, garlicky, with a subtle Italian herb finish
Texture: Thick, silky, and perfectly coating (clings) to every strand of fettuccine

Olive garden style of fettuccine Alfredo sauce served in a plate with fork.

About Olive Garden Alfredo Sauce Recipe

Olive Garden’s Alfredo sauce is a creamy garlic-Parmesan white sauce made with butter, heavy cream, and freshly grated Parmesan cheese — served over fettuccine pasta. It is one of the most ordered dishes at Olive Garden and one of the most searched copycat recipes in the US.

A bit of history: The original Alfredo sauce was created in Rome in the early 1900s by Alfredo di Lelio. His version was purely butter, fresh pasta, and Parmigiano-Reggiano emulsified with hot pasta water — no cream, no garlic, no flour. When Italian-American restaurants adapted it for American palates, cream, garlic, and extra cheese entered the picture. Olive Garden’s version goes further, using a blend of heavy cream and whole milk, garlic, and a generous amount of Parmesan. More details here.

How is this copycat different from authentic Italian Alfredo? Authentic Roman fettuccine Alfredo uses only three ingredients: butter, pasta, and Parmesan. No cream, no garlic, no herbs — the emulsification happens with pasta water and tossing technique. Olive Garden’s version (and this copycat) uses a cream base and a roux to make a sauce that is much more indulgent, stable, and forgiving to make at home. Neither is “wrong” — they’re just two different dishes with the same name.

My Recipe

The Olive Garden fettuccine Alfredo was many of our first introductions to “fancy” pasta — the kind that feels like a treat even at a chain restaurant. This copycat version has two things that set it apart from most other recipes online:

First — it uses a roux. Butter, garlic, and a small amount of flour cooked together before the dairy goes in. Most basic copycat recipes just combine butter, cream, and cheese. The roux gives you a stable sauce that doesn’t break, doesn’t separate, and stays creamy even as it cools. It also means less cheese is needed to get the right thickness.
Second — Italian seasoning. Most copycat recipes stop at salt and pepper. A small amount of Italian seasoning adds a subtle herby warmth that — interestingly — is closer to what Olive Garden’s sauce actually tastes like in the restaurant. It’s a small detail that makes a noticeable difference

⭐ Why You’ll Love This Recipe

On the table in 20 minutes — faster than driving to Olive Garden
The roux makes it genuinely stable — no broken, greasy, or grainy sauce
One pan for the sauce, one pot for the pasta — minimal cleanup
Tastes like the restaurant version, but you control exactly what goes in it
Works as a pasta sauce, pizza base, dipping sauce, and casserole base
The leftovers reheat beautifully with just a splash of milk

Ingredient Notes

Complete list of ingredients and amounts is written in the recipe card below.

Copycat Olive Garden alfredo sauce ingredients in bowls and spoons with labels.

Fettuccine: Fettuccine is the classic pairing — its wide, flat shape catches and holds the thick sauce perfectly. That said, penne, rigatoni, or any pasta you have works.
Always save ½ cup of pasta cooking water before draining. Starchy pasta water is your emergency fix if the sauce turns too thick.
Unsalted butter: The foundation of the roux and the first flavor layer. Unsalted gives you control over the saltiness.
Parmesan is already quite salty, so starting with unsalted butter prevents the sauce from becoming over-seasoned.
Garlic (minced) Always fresh — never jarred or powdered. Garlic sautéed in butter at the very start blooms into the fat and infuses the entire sauce.
Mince it fine so it coats the sauce evenly.
All-purpose flour: This is the roux.
Whole milk + Heavy whipping cream: Using both is exactly what Olive Garden does — the milk lightens the sauce slightly and prevents it from being too heavy; the cream gives it that signature richness and body.
Do not substitute low-fat milk — you’ll lose the creaminess.
If you only have half-and-half, use it for the full liquid amount; the sauce will be slightly thinner but still good.
Italian seasoning: The detail that makes this copycat taste closer to the restaurant version. It is subtle — you won’t identify individual herbs — but it adds a warmth that plain salt-and-pepper Alfredo sauce doesn’t have.
Parmesan cheese: Buy a wedge of Vegetarian Parmesan and grate it yourself. Pre-shredded Parmesan from a bag contains anti-caking agents (usually cellulose or potato starch) that prevent it from melting smoothly — these are what cause grainy, gritty Alfredo sauce.

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Olive Garden Alfredo Sauce Recipe (Copycat)

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Copycat version of olive garden fettuccine alfredo in a plate with fork.

Skip the reservation. This Olive Garden Alfredo sauce copycat is richer, creamier, and honestly better than what you get at the restaurant — and it's on the table in 20 minutes.

Kanan

Prep Time 10

Cook Time 10

Total Time 20

Serving Size

US measuring cups are used (1 cup = 240 ml)

Ingredients

8 oz Fettuccine
4 tablespoons Unsalted butter
3 cloves Garlic, minced
2 tablespoons All purpose flour (Maida)
¾ cup Milk, full-fat, whole milk
1 cup Heavy whipping cream
½ teaspoon Salt
¼ teaspoon Black pepper powder
½ teaspoon Italian seasoning
¾ cup Vegetarian parmesan cheese, freshly grated and loosely packed

Instructions

Cook Pasta: Bring a large pot of water to a boil. Salt generously — the water should taste pleasantly salty. Add the fettuccine and cook to al dente, 1 minute less than the package directions. Before draining, scoop out ½ cup of the pasta cooking water and set aside. Drain the pasta
Saute Garlic: Heat a large saucepan or skillet over medium-low heat. Add the butter. Once melted and just starting to bubble, add the minced garlic. Sauté for 1–2 minutes, stirring frequently, until fragrant and just barely golden at the edges.
TIP: Watch the heat — garlic burns in seconds and burnt garlic will make the entire sauce bitter.
Build Roux: Add the flour all at once. Stir and cook for 1–2 minutes, stirring constantly, until the mixture turns a pale golden color, smells slightly nutty, and no longer looks raw or shiny. This is your roux.
Add Milk: Add the milk slowly, whisking vigorously to avoid any lumps. Within 3–4 minutes of adding all the milk, it should thicken noticeably. Keep the heat at medium-low throughout.
Add the Cream and Seasoning: Pour in the heavy cream and stir to combine. Add the salt, black pepper, and Italian seasoning. Stir well. Increase heat slightly to medium and let the mixture come to a gentle bubble — not a rapid boil. Simmer for 2–3 minutes, stirring frequently, until the sauce has thickened to a consistency that coats the back of a spoon.
TIP: Do not let it boil rapidly. A hard boil causes the cream to reduce too fast and can make the sauce break, turning greasy and slightly grainy. Gentle bubbles only.
Add the Parmesan: Add the freshly grated Parmesan in small handfuls — about 3–4 tablespoons at a time — whisking constantly and waiting for each addition to fully melt before adding the next. Adding all the cheese at once in a pile causes clumping. Go slowly and the sauce will be perfectly smooth.
Taste and adjust salt if needed. Remember the Parmesan is salty — taste before adding any extra salt.
Add Pasta: Add the cooked fettuccine directly to the pan. Using tongs, toss to coat every strand in the sauce. If the sauce looks too thick, add the reserved pasta cooking water a tablespoon at a time, tossing as you go, until the sauce reaches your preferred consistency.

Notes

Never use pre-shredded Parmesan from a bag. It will not melt properly. The anti-caking agents in pre-shredded cheese are the single biggest cause of grainy Alfredo sauce. Buy a block, grate it yourself right before adding.
Keep the heat medium-low the entire time. This is the most important rule. Alfredo sauce on high heat breaks — the fat separates, the cheese seizes, and you end up with a greasy, curdled mess. Low and slow wins every time.
The sauce will look thinner than you expect in the pan — that’s correct. It thickens significantly as it cools and as the pasta starch absorbs into it. If you cook it until it looks “done” in the pan, it will be too thick once served.
Add pasta water to save an over-thickened sauce. If the sauce becomes too thick after tossing with pasta, add reserved pasta cooking water — its starch content helps bring the sauce back together without diluting flavor the way plain water would.
If the sauce breaks or turns greasy: Remove from heat immediately and whisk in 2 tablespoons of cold milk vigorously. This usually brings it back together. Prevention is better — keep the heat low and don’t rush.

Nutrition

🍽️ What to Serve With Olive Garden Fettuccine Alfredo

To recreate the full Olive Garden experience at home:

Garlic bread or Olive Garden breadsticks — essential for mopping up every drop of sauce from the bowl
Simple green salad — the classic Olive Garden salad with Italian dressing cuts through the richness perfectly
Olive Garden minestrone soup — a light, vegetable-packed soup as a starter balances the indulgent pasta
Balsamic roasted Brussels sprouts — simple roasted vegetables on the side are a natural pairing with creamy pasta

🧊 Storage and Reheating

Refrigerator: Store the sauce and pasta separately if possible — pasta stored in sauce overnight absorbs all the liquid and becomes dry. Stored separately, both keep well for up to 3 days.
Reheating: Alfredo sauce should always be reheated gently on the stovetop over low heat, not in the microwave. Add a splash of whole milk or heavy cream and stir as it heats — this brings the sauce back to a smooth, creamy consistency. Microwaving causes the fat to separate and makes the sauce greasy.
Freezing: Cream-based sauces do not freeze well. I do not recommend freezing this Olive Garden alfredo sauce.

❓ Frequently Asked Questions

Yes — use half-and-half for the full cream amount. The sauce will be slightly thinner and less rich. To compensate, let it simmer a little longer after adding the cheese to help it thicken. Do not substitute entirely with milk — you’ll lose the creamy body.

Almost certainly pre-shredded Parmesan. The anti-caking agents in bagged shredded cheese don’t melt smoothly. Always grate from a block.

The second cause is too much heat — if the cream boils hard or the cheese goes in while the pan is too hot, the cheese can seize and turn grainy. Keep heat on medium-low throughout.

Yes — skip the flour and skip the milk-adding step. Just melt butter, sauté garlic, add cream directly, simmer until slightly reduced, then add cheese. The sauce will be less thick and more prone to separating, but it works. The roux version is more stable and closer to restaurant-style.

Fettuccine is the classic choice — its wide, flat surface area catches the sauce beautifully. Penne, rigatoni, and linguine also work well. Avoid very thin pasta like angel hair, which gets overwhelmed by a thick sauce.

Yes — a tablespoon or two of cream cheese whisked in with the heavy cream makes the sauce extra thick, ultra-smooth, and very resistant to separating. It’s a popular shortcut and tastes great, though it gives the sauce a slightly tangier note.

Transfer the finished sauce (without pasta) to a slow cooker set to “warm” or instant pot set to “keep warm”. It keeps for up to 2 hours without breaking. Add a splash of milk and stir occasionally to keep it silky.

Did you try this Olive Garden Alfredo sauce recipe? Leave a star rating and a comment below! I love hearing which variation you tried — meat/seafood protein Or vegetables or classic fettuccine? Tag me on Instagram @spice.up.the.curry

Olive Garden Alfredo Sauce (Copycat)

About Olive Garden Alfredo Sauce Recipe

My Recipe

⭐ Why You’ll Love This Recipe

Ingredient Notes