Keto Alfredo Sauce

Updated
5 from 96 votes

This creamy keto alfredo sauce is incredibly low in carbs, packed with the flavors of garlic, freshly grated parmesan cheese, and a hint of ground nutmeg.

It’s the perfect accompaniment to your favorite low-carb noodles, zoodles, grilled chicken, or steamed vegetables. For more sauce recipes try my keto pizza sauce, spaghetti sauce, and low-carb carbonara.

Keto Alfredo sauce on low carb pasta
This delicious keto Alfredo sauce recipe is easy to make, low-carb, gluten-free, and sugar-free. It is perfect for low-carb pasta, shirataki noodles, and vegetables.

Why You’ll Love This Keto Alfredo Sauce

  • Simple Ingredients: Made with everyday ingredients like unsalted butter, heavy whipping cream, and parmesan cheese.
  • Quick and Easy: Ready in just 10 minutes!
  • Low-Carb and Delicious: It has only 1g of carbs per serving, making it perfect for those following a ketogenic diet.
  • Versatile: Enjoy it with a variety of dishes, from low-carb fettuccine alfredo to keto chicken alfredo.

This recipe makes 2 cups of keto alfredo sauce or eight serves. One serve is a ¼ cup.

Keto Alfredo Sauce can be kept in the fridge for up to 1 week or frozen for up to 3 months. Always reheat very slowly, as a sharp change in temperature can cause the sauce to curdle.

Ingredients

Keto Alfredo Sauce Ingredients - simple creamy pasta sauce recipe
Keto Alfredo Sauce Ingredients
  • 2 tablespoons unsalted butter
  • 2 cloves garlic, minced
  • 2 ounces cream cheese
  • 1 ½ cups heavy whipping cream
  • ½ cup grated parmesan cheese
  • ½ teaspoon ground white pepper
  • ¼ teaspoon ground nutmeg
  • Salt to taste

How to Make Easy Keto Alfredo Sauce

  1. Melt the butter: Place a medium-sized saucepan over medium heat and melt the unsalted butter.
  2. Sauté the garlic: Add the minced garlic and sauté for about 2 minutes, or until fragrant.
  3. Incorporate cream cheese: Stir in the cream cheese until it’s fully melted and smooth.
  4. Add heavy cream: Pour in the heavy whipping cream and bring the mixture to a gentle simmer. Be careful not to let it boil, as this can cause the sauce to separate.
  5. Whisk in parmesan cheese: Gradually add the grated parmesan cheese, whisking constantly until it’s fully incorporated and the sauce is smooth and creamy.
  6. Season and simmer: Reduce the heat to low and simmer the sauce for about 10 minutes, allowing it to thicken slightly. Stir in the ground white pepper, nutmeg, and salt to taste.
  7. Serve and enjoy: Your delicious low-carb keto alfredo sauce is ready to be served immediately over your favorite keto-friendly dish!

Three Ingredient Alfredo Sauce Variation (Quick and Easy)

For an even simpler version, you can make a three-ingredient keto alfredo sauce using only butter, heavy cream, and parmesan cheese.

Tips and Serving Suggestions

  • For a richer flavor, use freshly grated parmesan cheese instead of pre-grated.
  • Adjust the seasonings to your liking. If you prefer a spicier sauce, add a pinch of red pepper flakes.
  • This keto alfredo sauce pairs perfectly with zucchini noodles (zoodles), spaghetti squash, or your favorite low-carb pasta alternative.
  • Leftover sauce can be stored in the refrigerator for up to a week or frozen for later use.

Frequently Asked Questions (FAQs)

Can I make alfredo sauce ahead of time?

Yes, you can prepare alfredo sauce ahead of time and store it in the refrigerator for up to a week. Reheat it gently on the stovetop over low heat, stirring occasionally, to prevent it from curdling.

Can I freeze keto alfredo sauce?

Absolutely! Alfredo sauce freezes well for up to 3 months. Thaw it in the refrigerator overnight and then reheat it on the stovetop over low heat, stirring often.

What can I serve with keto alfredo sauce?

This versatile sauce can be served with a variety of keto-friendly dishes, such as zoodles, spaghetti squash, low-carb pasta, grilled chicken, shrimp, or vegetables. It also makes a delicious dip for keto breadsticks or crackers.

Easy Keto Alfredo Sauce Recipe

Keto Alfredo Sauce – Low Carb (1g Carbs)

Our creamy Keto Alfredo Sauce is loaded with garlic, parmesan cheese and just a hint of nutmeg. It’s perfect mixed through zucchini noodles, or layered over grilled chicken and vegetables.

Rate it

5 from 96 votes
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Course: Condiments, Dinner
Cuisine: Italian
Diet: Gluten Free
Cook Time: 10 minutes
Total Time: 10 minutes
Servings: 8 serves
Calories: 229kcal
Author: Gerri

Unit Conversion

Ingredients

  • 2 tablespoons Unsalted Butter
  • 2 cloves Garlic crushed
  • 2 ounces Cream Cheese
  • 1 1/2 cups Heavy Cream
  • 1/2 cup Parmesan Cheese shredded
  • 1/2 teaspoon White Pepper
  • 1/4 teaspoon Nutmeg ground
  • Salt to taste

Instructions

  • Place a medium sized saucepan over medium heat.
  • Add the butter and garlic and saute until fragrant.
    2 tablespoons Unsalted Butter, 2 cloves Garlic
  • Add the cream cheese, when it has melted, add the heavy cream and bring to a slow simmer. Do not let the sauce boil as it will split.
    2 ounces Cream Cheese, 1 1/2 cups Heavy Cream
  • Whisk the cream while slowly adding all the parmesan cheese.
    1/2 cup Parmesan Cheese
  • Simmer for 10 minutes before adding the pepper and nutmeg.
    1/2 teaspoon White Pepper, 1/4 teaspoon Nutmeg, Salt
  • Serve immediately.

Notes

 
STORING: Keto Alfredo Sauce can be kept in the fridge for up to 1 week or frozen for up to 3 months. Always reheat very slowly, as a sharp change in temperature can cause the sauce to curdle.

Nutrition

Serving: 100g | Calories: 229kcal | Carbohydrates: 1g | Protein: 3g | Fat: 23g | Saturated Fat: 14g | Cholesterol: 80mg | Sodium: 164mg | Potassium: 48mg | Fiber: 0g | Sugar: 0g | Vitamin A: 885IU | Vitamin C: 0.5mg | Calcium: 111mg | Iron: 0.1mg
Made this recipe?Tag me at @myketokitchen

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Matt Dobson

I am the founder of My Keto Kitchen. I am a nutritionist, cooking enthusiast, and part-time Van Lifer! Along with a qualified chef, we have created a collection of delicious and healthy recipes.

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23 thoughts on “Keto Alfredo Sauce”

    • Hi Robin, cooking it twice may make the sauce split. I haven”t tried baking it. If anyone else has they may chime in.

      Reply
  1. 5 stars
    This was so good! I added this sauce to my broccoli, ground turkey and rotini pasta and my kiddos and husband loved it. I’m not a fan of Aldredo sauce and this recipe has completely changed my mind. So Yummy, thank you!

    Reply
  2. 5 stars
    This was very good! I added red pepper flakes, broccoli, rotisserie chicken, jarred mushrooms, shredded mozzarella cheese!

    Reply
  3. 5 stars
    Excellent sauce. I did add a shallot that I sauteed in a bit of olive oil to break it down, but otherwise followed the recipe. My picky 17 year-old son liked it. Hubby licked his plate clean.

    A keeper!

    Reply
    • Hi Cindy,

      I’m glad you enjoyed it! The nutritional information is just below the recipe – 1/4 cup has 229cal, 2g carbs, 3g protein, 23g fat.

      Reply
  4. 5 stars
    Excellent Alfredo sauce. This was delicious tossed with zoodles, cauliflower & broccoli then topped with a baked salmon filet. Thank you for sharing.

    Reply
  5. 5 stars
    Delicious! I even got my daughters stamp of approval. She is extremely picky and the worst critic when it comes to food. I will definitely be making this again.

    The only thing I did not do was add the nutmeg to the recipe. Everything else I followed exactly

    Reply

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