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3-Ingredient Alfredo Sauce

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5 from 171 votes
By Carine Claudepierre - - 7 Comments
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This quick and easy 3-Ingredient Alfredo Sauce recipe is a thick and creamy garlic sauce, delicious on top of spaghetti, or to flavor any vegetable casserole.

Plus, it’s so easy to make that you won’t need any other recipes after that!

3 ingredient Alfredo Sauce

What Is Alfredo Sauce?

Alfredo sauce is a creamy garlic cheese sauce usually made with butter, Italian Parmesan cheese, fresh garlic, and heavy cream.

It’s a classic, rich sauce to combine with pasta like fettuccine pasta or spaghetti to make a creamy, comforting dinner.

Why You’ll Love This Sauce

This 3-Ingredient Alfredo Sauce is delicious and has the classic garlicky taste. It’s also:

  • Gluten-Free
  • Egg-Free
  • Nut-Free
  • Low-Carb
  • Keto-Friendly
  • Ready In 10 Minutes
  • Only 3 required ingredients
3 ingredient Alfredo Sauce

How To Make 3-Ingredients Alfredo Sauce

It’s super easy to make alfredo sauce. Let me show you how you can make a 10-minute, 3-ingredient alfredo sauce recipe at home:

Ingredients

All you need to make this lovely rich, creamy alfredo sauce are:

Optional ingredients are:

  • Salt – Parmesan cheese is already salty, don’t add too much salt to avoid a strong salty flavor
  • Black Pepper

Preparation

In a non-stick saucepan or cast-iron skillet, add the heavy cream, freshly grated parmesan, and minced garlic. Add the salt and black pepper if used.

Stir the Alfredo mixture and cook on low-medium heat until the cheese is fully melted and the sauce has reached a low simmer and starts to thicken.

Taste the Alfredo sauce and adjust with salt and pepper if needed.

Use the hot Alfredo sauce recipe immediately, with the suggestions below.

Storage Instructions

Another option is to store the sauce for later in a glass mason jar or any sealed, airtight container.

Alfredo sauce can be stored for up to 3 days in the fridge. The sauce may thicken and form a layer of skin on top, but that’s fine.

When ready to eat, pour the sauce into a non-stick saucepan and bring it over medium heat until warm.

3 ingredient Alfredo Sauce

Serving Alfredo Sauce

This easy alfredo sauce recipe is perfect for any roasted vegetables, pasta or meat. Here’s some options below.

On Vegetables

This creamy garlic sauce is delicious on top of any low-carb vegetables.

In fact, grilled vegetables with no sauce can be bland in flavor, but as soon as you add 1/4 cup of alfredo sauce on top, it turns your vegetables into a comforting dinner or side dish.

The vegetable to add to this sauce are:

Alfredo Sauce

On Store-Bought Pasta

Another option is to use this sauce on store-bought pasta – noodles taste better with creamy sauce. There are plenty of delicious noodle pasta options I love with an alfredo sauce like:

  • High-protein noodles – like edamame, black bean noodles
  • Fettucine – like in my steak alfredo fettuccine recipe
  • Spaghetti

On Meat Or Seafood

This sauce is delicious on:

How To Thicken Alfredo Sauce

If your sauce doesn’t thicken as much as you like, you can add some of the below ingredients to help it thicken up:

  • More Freshly Grated Parmesan – adding 1/2 cup extra cheese helps thicken the sauce.
  • Xanthan Gum – The best option to avoid high-carb thickeners. Sprinkle 1/4 teaspoon and whisk vigorously into the warm sauce to incorporate.
  • Cream Cheese – add 1/2 cup of cubed cream cheese. It’s better if you bring the cream out of the fridge 30 minutes before adding it to the warm sauce. It melts easier.
  • Corn Starch Slurry – dissolve 1 teaspoon of cornstarch into 3 tablespoons of cold water. Stir in the hot sauce and cook until the alfredo sauce thickens. Corn starch is high in carbs, but one teaspoon in the entire batch won’t raise the carbs much and keeps the sauce low carb.
Alfredo Sauce

Allergy Swaps

If you have some dairy allergies, you can make dairy-free alfredo sauce by replacing some of the ingredients in the recipe.

  • Heavy Cream – Use canned coconut cream instead. It’s made with coconut cream only, with no added sugar or thickener, and it’s vegan.

Frequently Asked Questions

Can I Freeze Alfredo Sauce?

Yes, you can freeze the sauce in ziplock bags or airtight containers.

Thaw the sauce the day before in the fridge, or place the frozen sauce bag or jar in a hot water bath to thaw it faster.

Then cook it in a non-stick saucepan over medium heat and add to your favorite food.

How Can I Make Alfredo Sauce Without Cream?

You can replace the heavy cream with canned coconut cream, store-bought soy cream, or almond milk.

This last option makes the sauce thinner, and you may need one of the suggested thickeners above to adjust the texture.

Is Alfredo Sauce Gluten-Free?

Yes, most of the time, there’s no gluten added in Alfredo sauce recipes as they are mainly made from dairy and garlic.

Can I Add Butter?

Yes, you can melt 1/2 cup of unsalted butter and cook garlic in butter before adding heavy cream and cheese.

This makes the sauce rich and add a roasted garlic flavor.

More Recipe To Make With Alfredo Sauce

If you want to use your Alfredo sauce with simple recipes, try these

Have you made this 3-ingredient Alfredo sauce recipe? Share a comment or review below.

Keto Alfredo Sauce

3-Ingredient Alfredo Sauce

2.2gNet Carbs
This easy 3-Ingredient Alfredo Sauce recipe can be served over any noodles or vegetables and gives a creamy garlic flavor to any dish.
Prep: 10 mins
Cook: 10 mins
Total: 20 mins
Yield: 12 servings
Serving Size: 3 Tablespoons

Nutrition Snapshot

Net Carbs 2.2g
Fat 20.1g
Protein 4.5g
Calories 203.5kcal
5 from 171 votes
Review Print

Want My Kitchen Equipment?

Ingredients

Optional

Instructions

  • In a non-stick skillet add heavy cream, freshly grated parmesan, crushed garlic, salt, and pepper.
  • Stir and cook on low heat until the cheese is melted and the sauce has thickened.
  • Taste and adjust with salt and pepper if needed or add butter to increase creaminess. Stir in dried parsley or any fresh herbs you love.
  • Stir in any pasta you like in the sauce.

Storage

  • Store the sauce in the fridge, in a glass mason jar for up to 3 days.
My Recipe Notes

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Nutrition

Serving Size: 3 Tablespoons
Yield: 12 servings
Serving: 3TablespoonsCalories: 203.5kcal (10%)Carbohydrates: 2.2g (1%)Fiber: 0.03gNet Carbs: 2.2gProtein: 4.5g (9%)Fat: 20.1g (31%)Saturated Fat: 12.8g (80%)Polyunsaturated Fat: 0.8gMonounsaturated Fat: 5.1gCholesterol: 61.7mg (21%)Sodium: 147.1mg (6%)Potassium: 60.8mg (2%)Sugar: 1.5g (2%)Vitamin A: 794.1IU (16%)Vitamin B12: 0.2µg (3%)Vitamin C: 0.8mg (1%)Vitamin D: 0.8µg (5%)Calcium: 134.1mg (13%)Iron: 0.1mg (1%)Magnesium: 7.5mg (2%)Zinc: 0.4mg (3%)
Carine Claudepierre

About The Author

Carine Claudepierre

Hi, I'm Carine, the food blogger, author, recipe developer, published author of a cookbook and many ebooks, and founder of Sweet As Honey.

I'm passionate about sharing all my easy and tasty recipes that are both delicious and healthy. My expertise in the field comes from my background in chemistry and years of following a keto low-carb diet. But I'm also well versed in vegetarian and vegan cooking since my husband is vegan.

I now eat a more balanced diet where I alternate between keto and a Mediterranean Diet

Cooking and Baking is my true passion. In fact, I only share a small portion of my recipes on Sweet As Honey. Most of them are eaten by my husband and my two kids before I have time to take any pictures!

All my recipes are at least triple tested to make sure they work and I take pride in keeping them as accurate as possible.

Browse all my recipes with my Recipe Index.

I hope that you too find the recipes you love on Sweet As Honey!

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    7 Thoughts On 3-Ingredient Alfredo Sauce
  1. 5 stars
    I tried this last night. 5 star rating! I added zanthan gum which brought it to a perfect consistency for me. Half and half instead of almond milk. Perfect.

  2. Hi Carine – Looks easy! Can you tell me when the almond milk gets added? With the heavy cream? Thank you 🙂

  3. I haven’t rated this since I haven’t tried it yet. One question, is the almond milk necessary? Secondly, I just had a great idea of using this sauce in a lasagna, maybe throw some vegetables in as well. Have you ever tried that?

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