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Home » Recipes » 15-Minute Keto Alfredo Sauce Recipe [+VIDEO]

15-Minute Keto Alfredo Sauce Recipe [+VIDEO]

Last Updated April 12, 2022. Published March 28, 2021 By Davinah Cenou Montezuma

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pinterest image with shrimp Alfredo on a plate
15 minute Keto Alfredo sauce in a bowl with broccoli and the words no flour or cornstarch

This post may contain affiliate links to products I use and highly recommend. You can read my full disclosure .

With its creamy, garlicky, and cheesy flavor, Alfredo sauce may be one of my favorite Italian staples. This easy homemade Keto Alfredo sauce recipe beats the one from Olive Garden and skips ingredients like flour, cornstarch and milk to make it low carb. Enjoy this with zoodles and my cast iron chicken breast or as part of my keto chicken Alfredo bake and Cajun shrimp Alfredo to make a meal.

Keto Alfredo sauce in a bowl with a spoon and broccoli in the back

Why Make This:

  • It’s easy: this recipe requires just a few ingredients and takes about 15 minutes to make. If you’re looking for a sauce to go with a quick meal, it doesn’t get any easier.
  • Skips the added sugar and carbs from milk: most homemade Alfredo sauce recipes call for using milk. Milk has more natural sugars and carbs than heavy cream. So this recipe cuts some carbs by making the swap.
  • No flour or cornstarch: Instead of using a roux, my easy keto alfredo sauce recipe uses cheese and heavy cream for a naturally thicker sauce.

Ingredients Needed

There are only a few main ingredients and a few spices in my keto alfredo sauce recipe. The basic ingredients include:

  • salted butter
  • heavy whipping cream
  • parmesan cheese
  • cream cheese: adds a velvety creamy texture to the sauce

To season the alfredo sauce, you only need the following ingredients to get cooking:

  • garlic (minced or crushed)
  • Italian seasoning blend
  • fresh parsley

How to Make Homemade Alfredo Sauce

a photo tutorial for how to make Keto Alfredo sauce in four steps

Keto Alfredo sauce only requires one pot. And you can use this step-by-step photo tutorial to see how to make it.

Start by melting the butter over medium-high heat. When it is melted, add the minced garlic and sauté for about 2 to 3 minutes (photos 1-2).

Once the garlic is fragrant, reduce the heat to medium-low. This will allow the cheeses and cream to melt into a sauce without burning or curdling.

Add in the heavy cream, cheeses, and remaining spices. When they are all added, stir to incorporate all the ingredients together (photo 3).

When the ingredients are all added and mixed together, let the sauce cook for about 5 to 10 minutes (photo 4).

The sauce thickens as it cooks so you can turn off your pan when it is thick enough for you.

Top Cooking Tips

Add Fresh Ingredients over Processed:

Alfredo sauce is an amazingly simple recipe that uses only a few ingredients and seasonings. When I make this, I use fresh parmesan found in the refrigerated section of the grocery store. I also use fresh garlic.

Avoid Extra Seasonings, especially Salt:

When you make the alfredo sauce, you should avoid adding extra seasonings. This recipe has plenty of flavors. And the parmesan cheese adds plenty of salt to the sauce, so if you add any more, it can quickly become too salty. 

Use Lower Heat to Prevent Burning

Finally, when you add the cheese and heavy cream, reduce the heat of the pan to medium-low. This will prevent the cheese from burning or the cream from scalding. 

Keto Alfredo sauce in a bowl with parsley on top

Using this Sauce

You can use keto alfredo sauce on several different dishes. They range from low carb pasta to vegetables to proteins. Alfredo sauce adds such a rich, filling flavor to anything you put it on.

Some of my favorite ways to enjoy keto alfredo sauce include:

  • Low-Carb Pasta
  • Spaghetti Squash
  • Zoodles
  • Seared Shrimp 
  • Seared Chicken
  • Steamed Broccoli

More Keto Alfredo Sauce Recipes:

You can use my homemade keto Alfredo sauce recipe in a range of dishes. Some options are:

  • Chicken Alfredo Bake
  • Cajun Shrimp Alfredo
  • Broccoli Alfredo Soup with Sausage
  • Chicken Alfredo Zucchini Lasagna

If you try this recipe, please stop back and leave it a star rating and/or a review in the comments. Stay connected & share photos of your creations with me & others on Instagram, Facebook, and Pinterest! 

a bowl of Keto Alfredo sauce with broccoli

Easy Keto Alfredo Sauce Recipe

A 15-minute Alfredo sauce takes the flavors of the Italian classic and puts them into an easy low carb sauce.
Prep: 5 mins
Cook: 10 mins
Ready in: 15 mins
Cuisine: American, Italian
Course: Dinner, Sauce
Servings: 6
Calories: 319kcal
Author: Davinah
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Equipment

2 Quart Sauce Pan with Cover

Ingredients

  • 1/4 cup Butter
  • 4 cloves Garlic, minced
  • 1 cup Organic Heavy Whipping Cream
  • 1 1/4 cup Parmesan Cheese
  • 2 oz Cream Cheese, softened
  • 1/2 tsp Italian seasoning
  • 2 tbsp parsley, optional, chopped, fresh

Instructions

  • Melt the butter in a pan on medium-high heat
  • Add the minced garlic. Sauté for 2-3 minutes until fragrant
  • Turn the heat to medium-low. Add the heavy cream, parmesan cheese, cream cheese (if using) and seasoning. Whisk to incorporate.
  • Cook the sauce for 5-10 minutes, stirring occasionally, until it is thick enough for you. Stir in the fresh parsley before serving.

Nutrition Details

Calories: 319kcal | Carbohydrates: 2g | Protein: 8g | Fat: 32g | Saturated Fat: 19g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 1g | Cholesterol: 98mg | Sodium: 446mg | Potassium: 52mg | Fiber: 1g | Sugar: 1g | Vitamin A: 641IU | Vitamin C: 2mg | Calcium: 266mg | Iron: 1mg

The nutrition facts come from entering the recipe ingredients into Spoonacular API, a database of food ingredients. They may vary for any recipe based on the exact product used. The keto sweeteners I use have 0g net carbs & are not included because sugar alcohols do not impact most people. This is provided as a courtesy, but you can do your own calculations if you wish!

Share this RecipeIf you enjoy this recipe, share a link to it via email or Facebook, pin it, or leave a rating. Please don’t copy/paste the instructions to other websites. Thanks for helping the website grow!

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Filed Under: Dip, Salad Dressing & Sauce Recipes, Easy Keto Recipes: 30 Minutes or Less, Recipes

close up photo of Davinah - the blogger behind Dr. Davinah\'s Eats welcome text that reads, \"I\'m Davinah\" I'm an educator & hardcore foodie who realized eating "all the things" couldn’t last forever. After getting my PhD in Education, I decided to make eating healthier my next big goal. Here, you'll find my collection of keto, low-carb and whole food comfort food recipes. Read More

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