Low Carb Keto Alfredo Sauce Recipe (Easy!)

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This Keto Alfredo Sauce Recipe is the best way to satisfy comfort food cravings in minutes!Unlike some store-bought sauces, this one is naturally low carb and keto without any unusual ingredients or thickeners like corn starch. Serve this easy low-carb Alfredo sauce recipe with your favorites Keto Pasta Alternatives, paired with traditional pasta for non-keto dieters at the table, or with my favorites— Keto Egg Noodles!

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What is Alfredo Sauce?

Unlike traditional red sauces, Alfredo is a creamy sauce traditionally made with butter, Parmesan and spices.Store-bought sauces may also contain thickeners (such as flour or corn starch), vegetable oils or other added ingredients to maintain their shelf stability.

Low Carb Alfredo Sauce Ingredients

This section explains how to choose the best ingredients for a quick and easy Alfredo sauce, what each ingredient does in the recipe, and substitution options. See recipe card below for measurements.

• butter -I use grass-fed butter here, but any unsalted variety will do.
• garlic – This Ketchup Alfredo Garlic Sauce doesn’t skimp on garlic! I used 6 cloves here, but feel free to reduce the amount if you want less garlic. You can also use garlic powder instead (use 3/4 tsp instead of 6 cloves).
• heavy cream – This adds richness to the sauce while keeping it pourable. If you need a substitute and don’t mind the taste, you can also use full-fat canned coconut milk instead.I do not recommend almond milk, because the final sauce was too watery.
• grated parmesan cheese – this adds to the flavor and Thicken the Alfredo sauce. Grate it if possible, or use the pre-ground kind. Chopped parm should work too, but may take longer to melt. As a substitute, cream cheese can act as a thickener, but the taste is completely different, so I don’t recommend it unless you want a richer, creamier sauce.
• sea ​​salt and black pepper – You’ll want to add a little more than you think you need, as the sauce will mellow when mixed with toppings like pasta or vegetables. If you don’t like the look of black pepper in the sauce, use white pepper instead.
• nutmeg – This is a classic ingredient in any easy Alfredo sauce recipe, but you can omit it if you want.

How to Make Alfredo Sauce from Scratch

This section describes how to make a low-carb keto alfredo sauce, with step-by-step photos and details on the technique. See the recipe card below for full instructions.

• saute. Add the butter to a medium saucepan over medium heat. Add garlic and saute until fragrant, about 30 seconds.
• simmer. Add the heavy cream and bring the sauce to a simmer, continuing to simmer until the sauce thickens and reduces by about 1/3. The bigger your pan, the faster it will reduce.

• Bold. Reduce heat and gradually add Parmesan cheese and stir until smooth. Add spices to taste and adjust the consistency of the sauce. (If the sauce is too thick, add cream, if the sauce is too thin, add more cheese.)

Frequently Asked Questions

No need to complicate this sauce! Get answers to all your questions here.

How to Thicken Alfredo Sauce?

This Alfredo sauce recipe contains no thickeners because it thickens naturally from cheese, unlike other canned sauces that rely on starch or flour.If you really want to thicken the sauce without adding a lot of carbs, you can add more grated Parmesan to your liking, or try to be ketchup friendly cornstarch substitute.

Is it Alfredo Sauce Keto?

Yes, Alfredo is naturally keto-friendly with many high-fat ingredients and minimal carbs. Some varieties (especially store-bought) contain extra ingredients that increase the carb count, so check labels and recipes for exact macros.

Is Alfredo Sauce gluten free?

Traditional Alfredo is naturally gluten-free, and even store-bought sauces often avoid gluten. Be sure to check the label to be sure, though!

How many carbs are in Alfredo sauce?

This Alfredo Sauce recipe has 2.8 grams of net carbs per 1/4 cup. The carbs in store or restaurant Alfredo sauce can vary widely, depending on their ingredients.

Storage Instructions

Store this easy keto alfredo sauce recipe in a covered container in the refrigerator for up to 1 week.

Can you freeze Alfredo sauce?

Yes, you can freeze homemade Alfredo sauce. Transfer it to an airtight container (preferably a freezer bag) and freeze for 2-3 months. It may clump after thawing, but follow the reheating instructions to fix it.

Reheat Instructions:

If freezing, thaw overnight in the refrigerator or reheat directly from the freezer. Reheat on low power on the stovetop or microwave until warm, stirring frequently to break up any lumps. If it’s still not smooth, you can give it a quick blend.

Since this sauce thickens during storage, you can thin it out with a little more cream as needed when reheating.

what to do with alfredo sauce

Now that you know how to make a simple alfredo sauce with heavy cream, you might need some ideas on how to use it. Here are some recipes you can use with this sauce without any wheat noodles!

• keto sauce – This sauce is delicious Zucchini Noodles (aka zoo), Shirataki noodles, or in Spaghetti Squash Alfredo. My favorite, pictured above, is Keto Egg Noodles.
• simple meat – Drizzle Alfredo on top Juicy Roast Chicken, Grilled Shrimp Skewers, even fried salmon.
• roasted vegetables – Roasted Asparagus, Roasted Broccoli, and Oven Roasted Brussels Sprouts It goes well with this creamy sauce.
• Delicious supper – try this sauce Chicken Skin Pizza, replace it with pesto Chicken Cauliflower Casserole (or included in other low carb casserole), or use it as a dip for keto pigs in a blanket.

Readers’ Favorite Recipes

The recipe card is below! Readers who made this also checked out these recipes:

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Low Carb Keto Alfredo Sauce Recipe (Easy!)

This easy keto alfredo sauce recipe only requires 4 simple ingredients and 10 minutes! Plus, homemade low-carb Alfredo sauce is creamy, rich, and tastes so much better than canned ones.

Cook: 10 minute

All: 10 minute

Serving Size: 6 (Adjust the scale recipe)

Recipe Videos

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Tap the time in the instructions below to start the kitchen timer while cooking.

1. melt butter in a medium pan Over medium fire. Add minced garlic and saute for about 30 seconds, until fragrant.

2. Add heavy cream.Slowly simmer over low heat, then continue to simmer for approx. 5 minutes, until it begins to thicken and reduce in volume by about 1/3. (The length of time depends on the size of your pan.)

3. Minimize heat. Gradually add the Parmesan cheese. Continue stirring on low heat until smooth. If using nutmeg, sea salt and/or black pepper, toss to coat. (If the sauce is thicker than you like, you can thin it out with more cream.)

Readers who liked this easy recipe also made:

nutrient content

Amount per serving. Serving Sizes in Recipe Instructions Above.

Calories 261

fat 25.9 grams

protein 5 grams

total carbohydrates 2.9 grams

net carbs 2.8 grams

fiber 0.1g

sugar 1.9 grams

Nutrition Facts are provided as a courtesy. Have questions about the calculation or why you get different results?see our nutrition policy.

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