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Homemade Keto Alfredo Sauce Recipe

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Make your very own Keto Alfredo Sauce at home, easily and deliciously. All you’ll need is 20 minutes and 6 simple ingredients to make this Low Carb Alfredo from scratch!

Keto Alfredo Sauce in a jar with a spoon sticking out.
Homemade Keto Alfredo Sauce Recipe

Alfredo Sauce!! I am basically obsessed with this creamy goodness. It is so easy to make from scratch and soooo much better than the packaged stuff. I mean, what DOESN’T taste good smothered in this cheesy love sauce?

It’s pretty great when you can turn the bland into extraordinary with one simple sauce. Plain old roasted veggies? Sauce ’em. Simple grilled chicken breast? Sauce ’em. Zucchini noodles? Yep, sauce ’em. I hope you love this Keto Alfredo Sauce as much as my family and I do!

What makes this Keto Alfredo Sauce Recipe Flattering?

  1. Fast and easy – you get this Keto Alfredo Sauce within 20 minutes from start to finish.
  2. Garlic, butter and cream play together and work their magic – bringing you a rich, savoury sauce that is 100% delicious.
  3. Milk is required for homemade Alfredo sauce recipes. Heavy cream has more carbs and natural sugars than milk. This recipe reduces carbs by using milk instead of heavy cream.
  4. Add richness and flavour to any dish with this saucy goodness. This recipe is so good, you won’t even know it’s keto.
  5. You can keep the keto alfredo sauce in an airtight container in the fridge for up to 5 days which means it’s great for meal prepping. Or, you can also keep it in the freezer for up to 2 months.
Bowl of keto fettuccini alfredo with chicken.
Keto Fettuccini Alfredo with Chicken & Zoodles

What all you can serve with keto alfredo sauce?

Other than traditional pasta and noodles, keto options are plentiful and can taste as good if not better.

  • Steamed vegetables: Low carb vegetables such as broccoli, green beans and cauliflower.  
  • Seafood: Chilean sea bass, haddock, and baked salmon.
  • Vegetable noodles: Zucchini noodles (zoodles), butternut pumpkin noodles, or spaghetti squash.
  • Grilled meats: Baked chicken thighs and grilled chicken breasts.
  • Low carb pasta: Store bought keto pasta like penne and shirataki noodles. Homemade versions are also available, such as almond flour pasta, keto pasta or keto gnocchi.

Ingredients

  • unsalted butter
  • garlic
  • ground black pepper
  • heavy whipping cream
  • parmesan cheese

How to make Keto Alfredo Sauce?

You’ll love how easy it is so make this saucy goodness!

Add butter to a medium saucepan and heat on medium heat. Once the butter has melted, add the pepper and garlic. Give it a stir and cook until the garlic is fragrant, about a minute or two.

Pour in warmed cream and bring to a simmer. Simmer for 10 minutes to allow the cream to reduce. Whisk in shredded parmesan cheese until fully combined and pour hot over your favourite dish!

Skillet chicken breast with Cauliflower Rice and Sauteed Broccolini

Watch it all go down!

Expert Tips & Tricks For Keto Alfredo Sauce Recipe

  1. Make sure the cream has been warmed before adding to the hot butter, otherwise the cream could ‘break’, giving you a yucky textured sauce.
  2. Once it has reduced enough for the cheese to be added, it should be thicker and appear almost foamy.
  3. If your sauce has not reached the desired thickness, simmer the Keto Alfredo Sauce until it has. If the cheese has already been added, whisk often to avoid burning on the bottom of the saucepan.

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Keto Alfredo Sauce in a jar with a spoon sticking out.

Homemade Keto Alfredo Sauce Recipe

Add some extra delicious creamy goodness to your meal with this super easy Keto Alfredo Sauce, ready in 20 minutes from start to finish.
5 from 13 votes
Print Pin Rate
Prep Time: 2 minutes
Cook Time: 18 minutes
Total Time: 20 minutes
Servings: 5 servings
Author: Aleta

Ingredients

  • ¼ cup unsalted butter
  • 2 cloves garlic
  • ¼ tsp sea salt
  • 1 pinch ground black pepper
  • 1 cup heavy whipping cream warmed
  • 1 cup grated parmesan cheese

Instructions

Equipment Needed

Directions

  • Add butter to a medium saucepan and heat on medium heat. Once the butter has melted add the garlic, salt and pepper. Give it a stir and cook until the garlic is fragrant, about a minute or two.
  • Pour in warmed cream and bring to a simmer. Simmer for 10 minutes to allow the cream to reduce. Whisk in shredded parmesan cheese until fully combined and pour hot over your favourite dish!

Notes

Expert Tips

  1. Make sure the cream has been warmed before adding to the hot butter, otherwise the cream could ‘break’, giving you a yucky textured sauce.
  2. Once it has reduced enough for the cheese to be added, it should be thicker and appear almost foamy.
  3. If your sauce has not reached the desired thickness, simmer the Keto Alfredo Sauce until it has. If the cheese has already been added, whisk often to avoid burning on the bottom of the saucepan.

 

Nutrition Facts

Nutrition facts are an estimate only! The ingredients you choose could have different nutritional values than the ingredients I have used.

Nutrition

Serving: 0.25cup | Calories: 323kcal | Carbohydrates: 1.2g | Fat: 33.2g | Sodium: 353mg
Tried this Recipe? Like it Today!Mention @MamaBearsCookbook

Frequently Asked Questions

Alfredo, unlike traditional red sauces is a cream sauce made with butter, parmesan cheese and other spices.

Alfredo can be keto-friendly because it contains high-fat ingredients with minimal carbs. Some types, especially store-bought varieties, contain additional ingredients that increase carb count. Make sure to check the labels and recipe for exact macros.

Yes, traditional alfredo is naturally low-carb and gluten-free. Even store-bought sauces are often free of gluten. To be sure, always read labels.

You can freeze homemade Alfredo sauce. It can be frozen in an airtight container, or in a freezer bag for up to 2 months.

As your sauce cooks, make sure you stir it constantly. It will curdle if you don’t stir it. This is what gives the sauce its lumpy texture. Alfredo sauce should look like cream.

I hope you liked our keto alfredo sauce recipe. Anything I missed? If you have any questions at all leave them in the comment section below!

22 Comments

  1. 5 stars
    I LOVE alfredo sauce and I’m always looking for new recipes on how to make it right at home. I love that this is keto as well.

  2. Anne Lawton

    5 stars
    I love alfredo sauce, and this easy version. thank you for sharing along with all of your tips, they are very helpful.

  3. 5 stars
    What’s not to love about this alfredo sauce? It’s creamy cheesy and delicious! Love that you served it over some zucchini noodles – that’s a great idea – and all the helpful tips for making this sauce perfect the first time.

  4. 5 stars
    Creamy, delicious and yum. Best for awesome recipes.

  5. 5 stars
    YUM! One of our good friends is on a Keto diet and was over for dinner earlier this week. I made this sauce for them and they absolutely loved it. Thank you so much for such a great recipe!

  6. 5 stars
    So many ways to use this awesome Alfredo sauce! Thanks for showing us that it is easy to make, and with few basic ingredients, one more reason to whip it up immediately! 🙂

  7. 5 stars
    I’m so glad I came across this recipe! It’s so decadent but takes hardly any time to put together. Love this!

  8. 5 stars
    My mom has been trying the Keto diet lately, so I can’t wait to share this with her (and probably make it for her because she isn’t much of a cook ha ha) but I know she will love it!

  9. 5 stars
    Your keto alfredo sauce looks perfect. It looks creamy, thick and delicious! I can’t wait to try it the next time I make zoodles!

  10. 5 stars
    This sauce looks awesome! Everything that kicks up the keto also kicks up everything that already makes alfredo sauce delicious to begin with.

  11. 5 stars
    This alfredo sauce is just perfect! Such a deliciously creamy and rich sauce, I could have this on everything!

  12. Wow this alfredo sauce looks sooo rich and creamy! I can’t wait to try it!

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