This low carb Alfredo sauce is seriously amazing! It only requires three ingredients! Gluten free, LCHF, and keto recipe with video tutorial.

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This classic Italian sauce is creamy and rich. Traditionally the ingredients are heavy cream, butter, Parmesan, salt and pepper. There are many other variations around, often including garlic, egg yolks, flour, bacon, and more! Alfredo is one of the few sauces that I'll buy pre-made in jars, because the carb count is much lower than in most other sauces. I'll order it in restaurants too as I know I'm going to be full by the end of the meal,

But when I stopped to look at how it is made, I was struck by that list of traditional ingredients, which are ALL low carb (and quite high in fat too, I should note)! With a bit of research and testing, I arrived at this recipe which is AWESOME and actually very easy to make. I serve it with meat, fish, and veggies - it's very versatile. You are seriously going to love it!

Check out all my low carb and keto sauces!

So here's my video tutorial, or keep scrolling for the full instructions and printable recipe card!

How to Make Low Carb Alfredo Sauce

To start making the sauce, melt some butter in a saucepan. Add heavy cream, and stir well.

Add grated Parmesan cheese, a quarter cup at a time, whisking well between each addition.

Taste for seasoning and add salt and black or white pepper, as required. And done! Less than 50 words in those instructions and the result is a rich, decadent, creamy sauce.

You could even add a little chopped parsley for garnish - it depends what you're using it for!!

This low carb alfredo sauce is so smooth, thick, and comforting. It's like a hug in a sauce!

This sauce can be made ahead of time and reheated if necessary. It may separate, but whisking will rescue it! This keto Alfredo sauce works really well with chicken, broccoli, cauliflower and many other dishes. I love combining it with spaghetti squash!

📖 Recipe

StepAwayFromTheCarbs.com

Low Carb Alfredo Sauce

4.60 from 5 votes

This decadent Alfredo sauce is made with just three ingredients! Low carb, LCHF, and keto recipe.

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Cook Time 8

Total Time 8

Makes: 1 ¼ cup

Net Carbs: 2

Calories: 329

Ingredients Method Nutrition Video Notes

Ingredients

US CustomaryMetric

1 oz 2 tbs unsalted butter
1 cup heavy cream
¾ cup shredded Parmesan
salt
black or white pepper

Step-by-Step Instructions

Melt the butter in a saucepan.
Add the cream and stir well.
Add the Parmesan, ¼ cup at a time, stirring to incorporate.
Taste for seasoning, add salt and pepper as required.
Keep cooking until the sauce has thickened.

Nutrition

Calories: 329kcalCarbohydrates: 2gProtein: 7gFat: 32gSaturated Fat: 20gPolyunsaturated Fat: 5gMonounsaturated Fat: 33gTrans Fat: 1gCholesterol: 109mgSodium: 323mgPotassium: 302mgFiber: 0gSugar: 8gVitamin A: 4793IUVitamin C: 1mgCalcium: 1052mgIron: 1mgNet Carbs: 2g

Video

Notes

Makes about 1¼ cup. 8g net carbs for entire recipe. 2g net carbs per serving based on four servings.

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Nutritional information is provided as a courtesy and is my best approximation. Net carbs are calculated as the total grams carbs minus the total grams of fiber.

Comments

4.60 from 5 votes (5 ratings without comment)

Decadent Low Carb Alfredo Sauce