Keto Alfredo Sauce

by Joanna
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This Keto Alfredo sauce is ultra rich, super creamy, and packed with delicious flavor. Learn how to make the best homemade Alfredo sauce to use in tons of recipes, including casseroles, pasta, chicken, and vegetables.

Alfredo Sauce

This alfredo sauce recipe is quick to prepare, extremely creamy, and aromatic and pairs well with almost anything from keto pasta, chicken, fish, and casserole recipes.

Once you make this sauce, I am sure it will become a staple in your kitchen, whether you serve it for a special occasion or with some nuggets for a quick and delicious lunch.

What Is Keto Alfredo Sauce?

Keto Alfredo sauce is a low-carb and high-fat alternative to the traditional Alfredo sauce, which typically contains high amounts of carbohydrates from flour and milk. The Keto Alfredo sauce is made with keto-friendly ingredients that are low in carbs and high in fat, such as heavy cream, butter, and Parmesan cheese.

Why Are You Going To Love This Low Carb Alfredo Sauce Recipe?

  • You can make it ahead of time.
  • It’s a versatile recipe. You can use this sauce for other recipes or as a chicken, fish, or vegetable dip.
  • Made from simple and easy-to-find ingredients.
  • It’s a customizable recipe. So you can add your favorite seasonings.
  • It’s super easy to make in just a few minutes.
  • Has a rich and creamy texture.
Keto Alfredo Sauce 1

Keto Alfredo Sauce Recipe

What’s not to love about this delicious and easy low carb alfredo sauce recipe that requires only a few easy-to-find ingredients? Here is a list of everything you will need:

Alfredo Sauce Ingredients
  • Butter – use unsalted butter or replace it with olive oil.
  • Heavy Cream – adds creaminess and a great texture to the sauce.
  • Garlic – use fresh minced garlic for an intense flavor.
  • Italian Seasoning – you can buy it from home or make my favorite Italian Seasoning Recipe at home.
  • Nutmeg – Nutmeg is a common ingredient in Alfredo sauce because it adds a warm and slightly sweet flavor that complements the rich and creamy taste of the sauce. Use just a pinch to enhance the overall flavors.
  • Salt and Black Pepper – to taste.
  • Parmesan Cheese – use freshly shredded parmesan cheese for the best results.

How To Make Low Carb Alfredo Sauce

You will love this delicious homemade Alfredo sauce recipe once you see how easy it’s to prepare in just a few minutes. Here is everything you have to do:

Prep The Ingredients

Start by grating your parmesan cheese and mince the garlic cloves. You can use garlic powder.


Place a medium non-stick sauce pan over medium heat. Melt the butter.

Add the heavy cream over the melted butter and let it simmer for 7-8 minutes, or until it has thickened slightly and coats the back of a spoon.

Stir in the minced garlic, Italian seasoning, salt, and pepper and mix until well combined.

Add The Parmesan Cheese

Add finely grated Parmesan cheese to the saucepan and whisk it into the cream mixture until it has melted and the sauce is smooth and creamy.


Once the sauce is ready, you can use it immediately to dress up your favorite keto-friendly zucchini noodles or air fryer cauliflower.

alfredo sauce

Tips For Making The Best Alfredo Sauce

  • Add more shredded parmesan cheese if you want a thicker sauce or more heavy cream for a thinner sauce.
  • Cooking the sauce over low heat ensures that it thickens slowly and evenly without separating or burning. It also helps to prevent the cream from curdling and the cheese from clumping.
  • Add the cheese gradually to melt evenly and prevent clumping.
  • Cook the Alfredo sauce using low heat to prevent it from separating.
  • You can add fresh herbs for extra flavor.
  • Use high-quality butter that is at least 80% fat content. Lower quality butter often contains more water, which can adversely affect the texture of the sauce.

Recipe Variations

  • Make a spicy alfredo sauce with one tsp of red pepper chili flakes.
  • Add one tbsp of pesto sauce for a basil-flavored twist.
  • Make a tangy Alfredo sauce by adding one tbsp of lemon juice.
  • You can also add some crumbled bacon for a smoky flavor.

Serving Ideas

This delicious Alfredo sauce it’s a versatile recipe, and it can be paired with many dishes. Here are some great ideas:

  • Chicken: add this sauce over some grilled or oven baked chicken breast.
  • Low Carb Pasta – this is the perfect sauce that pairs incredibly with zoodles, spaghetti squash, or shirataki noodles.
  • Vegetables: Cook vegetables such as cauliflower, broccoli, or asparagus to your liking and serve them with this delicious Alfredo sauce.
  • Casseroles: use this sauce to make a comforting chicken Alfredo casserole.
  • Shrimp: Simply make some air fryer shrimp and serve them with the Alfredo sauce.
  • You can use this sauce as a layer in keto lasagna recipe.
  • Dip: Use the Alfredo sauce as a dip for raw vegetables or low-carb crackers.
  • Pizza: Use this sauce as a base for pizza instead of a traditional keto pizza sauce. Top with your favorite low-carb toppings, such as chicken, spinach, and mushrooms.
  • Meatballs: Serve homemade keto meatballs with Alfredo sauce.

Troubleshooting Tips for Keto Alfredo Sauce

  • Too Thin? If your Alfredo sauce is too thin, it could be because you didn’t let it simmer long enough, or you didn’t add enough parmesan cheese. To fix this, simmer the sauce on low heat until it thickens to your desired consistency. Alternatively, you can add more shredded parmesan cheese to thicken the sauce.
  • Too Thick? If your Alfredo sauce is too thick, it could be because you added too much cheese or let it cook for too long. To fix this, you can add more cream to thin it out or heat it up and whisk in some water or chicken broth to adjust the consistency.
  • No Flavor? If your Alfredo sauce lacks flavor, it could be because you didn’t add enough salt or garlic. Taste the sauce and adjust the seasoning as needed to enhance the flavor. You can also try adding some herbs, such as parsley or basil, to add some extra flavor.
  • Separation: If your Alfredo sauce separates, it could be because you cooked it at too high heat, causing the cream to curdle. To prevent this, cook the sauce on low heat and stir it constantly. If the sauce has already separated, you can try whisking it vigorously or blending it with an immersion blender to bring it back together.
  • Grainy Texture: If your Alfredo sauce has a grainy texture, it could be because the cheese wasn’t grated finely enough or the sauce was overheated. To fix this, make sure to use finely grated Parmesan cheese and to cook the sauce on low heat, stirring it constantly.

Is Alfredo Sauce Gluten Free?

Traditional Alfredo sauce is typically made with just butter, cream, and Parmesan cheese, which are all naturally gluten-free ingredients. However, some Alfredo sauce recipes may include flour or other gluten-containing ingredients as thickeners, so it’s important to check the ingredients list or recipe to be sure.

Can I Make This Recipe Ahead Of Time?

This recipe is great for making it ahead of time and storing it in the fridge until you are ready to use it.

Can I Make This Recipe Dairy-Free?

Unfortunately, this recipe can’t be dairy-free since it’s made from heavy cream and parmesan cheese.

Storing Ideas

  • Fridge: You can store any Alfredo sauce leftovers in the fridge in an airtight container for up to 5 days.
  • Freezer: This creamy Alfredo sauce can also be frozen. To do that, allow the sauce to cool at room temperature, then transfer it to an airtight freezer-safe container and freeze it for up to 2 months.

Thaw the Alfredo sauce in the fridge overnight, then reheat before using it.

Alfredo Sauce

Keto Alfredo Sauce

5 from 1 vote

Cook Time 10 minutes
Yelds 6 servings


This Keto Alfredo sauce is ultra rich, super creamy, and packed with delicious flavor. Learn how to make the best homemade Alfredo sauce to use in tons of recipes, including casseroles, pasta, chicken, and vegetables.


  • 1/3 Cup Butter
  • 1 ½ Cups Heavy Cream
  • 1 Cups Parmesan Cheese grated
  • 4 Garlic cloves minced
  • ½ tsp Italian Seasoning
  • Salt and Black Pepper to taste
  • a pinch of Nutmeg


  • Melt the butter in a non-stick skillet, add the heavy cream, and let it simmer for 7-8 minutes.
  • Stir in the minced garlic, Italian seasoning salt, and pepper and mix until well combined.
  • Reduce the heat to low, then add the freshly shredded parmesan cheese.
  • Cook until the cheese is melted and the sauce has a creamy and rich texture.
Nutrition Facts
Amount per serving.
Total Carbs
Net Carbs

How do we calculate the nutrition info?

These nutrition facts listed are determined using nutrition information from the USDA Food Database. Our nutrition facts are accurate, but if you are using different products, please make your calculations. Net carb count is calculated by subtracting both fiber and sugar alcohols because they don’t raise blood sugar.

Course sauce
Cuisine American
Keyword Alfredo Sauce
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