A rich and cheesy Keto Alfredo Sauce, perfect for topping your favorite keto noodles! This simple recipe comes together with garlic, heavy whipping cream, and plenty of parmesan, for a creamy, flavorful pasta dish. Also use as a topping for your chicken or seafood dishes!
Choose your favorite keto noodles for this sauce! We love Zucchini Noodles, Spaghetti Squash, and Shirataki noodles.
An Easy Keto-Friendly Alfredo Sauce
There’s no need to miss out on your favorite creamy Italian dishes when eating a healthy, low-carb diet!
This easy keto Alfredo sauce is ready in 10 minutes, and is the perfect addition to your favorite low carb noodles, like Zucchini Noodles, Spaghetti Squash, or Shirataki (Konjac) Noodles.
Drizzle some of these creamy sauce on your noodles, then top with protein of choice. We adore grilled chicken breast or thighs, shrimp, and salmon!
Some keto Alfredo sauce recipes call for cream cheese. This one sticks to the basic ingredients for the most authentic flavor! Once the parmesan cheese has melted into the cream, it thickens and becomes a perfect pasta topper.
This Keto Alfredo Sauce recipe is junk free and gluten free, as all recipes on Blissfully Low Carb!
Is Alfredo Sauce Keto?
Many store bought Alfredo sauces are not keto-friendly, as they contain sugar and starches, and have up to 5 grams of carbs per serving. Jarred Alfredo sauces are highly processed and should be avoided on healthy low-carb diets.
However, homemade sauces do not require these things. Alfredo sauce is a thickened cream sauce, flavored with garlic, Italian seasoning, and parmesan cheese. In moderation, it’s a healthy addition to a keto or low carb diet.
What You’ll Need
- Butter (pastured or grass-fed has the best nutrient profile!)
- Garlic (fresh is best! It’s a prominent flavor in Alfredo sauce, so buying bulbs of fresh garlic and freshly chopping it will give you the best flavor.)
- Heavy Whipping Cream (I buy pastured or grass-fed, which makes this a more nutritious sauce).
- Parmesan Cheese (you can buy grated cheese, or a block and grate it yourself.)
- Sea Salt & Pepper
- Italian Seasoning
- Nutmeg (optional, use if you enjoy it!)
- Parsley (an optional garnish for your Alfredo pasta dishes! We love the fresh touch it adds to the rich sauce.)
How to Make a Low Carb Alfredo Sauce
Step 1: Into a skillet, add butter and garlic and saute over medium heat until the garlic is fragrant, about 5 minutes.
Step 2: Into the skillet, pour the heavy whipping cream. Stir the heavy whipping cream as it heats up, for about another 5 minutes.
Step 3: Add the parmesan cheese into the hot heavy whipping cream, and stir constantly until well incorporated. The sauce needs to bubble for about 5-7 minutes at a LOW SIMMER (not boil) to melt the cheese. NOTE: If your sauce isn’t “creamy”, or the cheese does not seem melted, you have not simmered it long enough or did not heat the cream prior to adding the cheese.
Step 4: Add and adjust the seasonings to taste, and then remove the creamy sauce from heat once it reaches the desired consistency. Use while hot. The sauce will thicken and a film will form over the top as it cools.
FAQs for the Best Sauce!
Why is my Alfredo Sauce too thin?
If your sauce seems thin, it hasn’t simmered long enough. Allow it more time, and as the water in the cream evaporates and the cheese fully melts, the sauce continues to thicken. Also be sure to fully heat the cream prior to adding the parmesan cheese.
What if my Alfredo sauce becomes too thick?
If your sauce thickens beyond your preference, thin it with additional heavy whipping cream, and then season it with more salt and pepper if necessary.
What type of cream is used for Alfredo Sauce?
Alfredo sauce is made with heavy whipping cream. Using half and half will increase the carb count, and also make it more difficult to form a thick sauce without using a starch.
Easy Low-Carb Meals with Alfredo Sauce
Zoodles Alfredo: Zucchini Noodles are the perfect nutrient dense, low carb noodle to toss in your homemade alfredo sauce!
Spaghetti Squash Alfredo: Hot roasted spaghetti squash is a fun pasta substitute, especially in the fall and winter months! Learn how to cook spaghetti squash, then get tossing!
Keto Chicken and Broccoli Pasta Alfredo: A classic Italian favorite dish can be remade to fit your low carb lifestyle by using zucchini noodles, spaghetti squash, or konjac (shirataki) noodles. Grill or pan fry some chicken, steam or stir fry some broccoli, and sprinkle some additional parmesan cheese on top.
Creamy Alfredo Chicken: Forget the noodles, and stick to the good stuff! Dress up a grilled or pan-fried chicken breast or thigh with a creamy sauce. Add a side salad or some green veggies and dinner is served!
Alfredo Shrimp: One of the quickest (and most delicious) keto meals you can make – pan fry some shrimp, and then toss in some alfredo sauce! Serve with whatever keto veggies you love.
As a Veggie topper: If you have someone in the house, or yourself, doesn’t adore veggies, perhaps a drizzle of cheesy alfredo sauce will work some magic? 🙂
Other Keto Condiments to Make at Home:
- Keto Cranberry Sauce (your family won’t know the difference!)
- Pesto Genovese (Authentic Italian Pesto)
- Keto Enchilada Sauce (skip the store bought stuff thickened with starches, and make your own healthy version at home!)
Try this recipe? Be sure to share your cooking with me on Pinterest, Facebook, or Instagram, and tag @BlissfullyLowCarb !
Keto Alfredo Sauce
- 1 tablespoon butter *pastured/grass-fed recommended
- 3 cloves garlic minced
- 1 1/2 cups heavy whipping cream *pastured/grass-fed recommended
- 1 cup parmesan cheese grated
- 1/2 teaspoon Italian seasoning
- nutmeg freshly grated, optional
- 1/2 teaspoon sea salt
- 1/4 teaspoon black pepper or to taste
- Into a skillet, add butter and garlic and saute over medium heat until the garlic is fragrant, about 5 minutes.
- Into the skillet, pour the heavy whipping cream. Stir the heavy whipping cream as it heats up, for about another 5 minutes.
- Add the parmesan cheese into the hot heavy whipping cream, and whisk the sauce as it continues to heat up. The sauce needs to bubble for about 5-7 minutes at a LOW SIMMER (not boil) to melt the cheese.
- Add and adjust the seasonings to taste, and then remove the creamy sauce from heat. Use while hot. The sauce will thicken and a film will form over the top as it cools.
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