Low-Carb/Keto Cranberry Sauce

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This Low-Carb/Keto Cranberry Sauce is made with fresh cranberries and a sugar substitute and it turns out just like the cranberry sauce you’re used to, but without all the extra sugar.

» You might also like this Easy Keto Turkey Gravy.

Cranberry sauce in a bowl, low-carb/keto cranberry sauce

Especially during the holidays, you might be worried about all that sugar intake. This recipe uses a substitute sugar that has no impact on blood sugar levels and contains no net carbs, so you can enjoy a delicious cranberry sauce with your Thanksgiving or fall meal.

This sauce is so simple to make. It takes just 15 minutes to boil down the cranberries into a thick and flavorful sauce. You can also add natural fruit flavor to spice things up. We add a bit of orange zest to give it a citrusy kick.

Ingredients You Need

Ingredients for cranberry sauce
  • Cranberries – The cranberries can be frozen or fresh. But the one we used in this recipe are fresh. 
  • Sugar Substitute – We use allulose sweetener. It’s my preferred sugar substitute because it doesn’t have any bitter aftertaste or cooling effect and it dissolves well. Another example you can use is erythritol or Swerve.
  • Water – This is the liquid base of the sauce. Don’t worry about it making the sauce watery or diluted. It doesn’t.
  • Orange zest – This is the peeled of the orange. You could also add lemon or grapefruit zest in place of the orange. 
  • Salt – The salt really boosts the flavor.
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How to Make Low-Carb/Keto Cranberry Sauce

In a sauce pan over medium-high heat, add all the ingredients and stir them together. Bring the pot to a boil, stirring occasionally.

Fresh cranberries and sugar substitute

Once it’s reached a boil, reduce the heat to medium. Simmer the cranberries, uncovered. They will start to split open and eventually incorporate themselves into a nice bubbly sauce. It takes about 10-12 minutes for it to reach the right consistency, which is almost like a jelly or jam.

Cooked cranberry sauce in a pan

Add the orange zest to the sauce and stir. Cook for 1 more minute, to really integrate the orange aroma. Then remove the pot from the heat and pour the sauce into a serving dish. It’s best served warm.

Tips and Notes

  • You must stir the cranberries occasionally while they cook so they don’t stick to the bottom of the pan.
  • If you want the sauce to be very smooth and thick, you can use your spatula to break up the cranberries more after they burst. The more cranberries that burst as you cook, the thicker and smoother your sauce will be.
  • I would recommend using a powdered sweetener to avoid your sauce crystallizing. Some sugar substitutes will harden back up as they cool. Allulose works exceptionally well in this recipe because it does not crystallize when cold.
  • You don’t need to add any thickeners to the sauce. The pectin in the fruit helps to thicken the sauce. The cranberry sauce will continue to thicken as it cools down.
  • If you prefer to serve the sauce cold, let it cool down in the pot before transferring it to a container to put in the refrigerator.
  • The cranberry sauce can be made in large or small quantities. All you have to do is adjust the recipe accordingly. I find that for 4 people, halving the recipe is enough.
Cranberry sauce in a bowl

How to Store and Use Leftover Cranberries

If you want to make the cranberry sauce in advance, you can store it in the refrigerator for about 5 days and reheat it when you’re ready to use it. You can also store it in the freezer for up to 2 months, in an airtight container, with plastic wrap adhered to the top of the sauce to prevent freezer burn.

Before using it, remove it from the freezer and place it in the refrigerator to defrost. Before serving it, remove it from the fridge and leave it for 30 minutes on the table to come up to room temperature, or heat it in a sauce pan. You might need to add a bit of additional water to loosen a thick sauce.

We eat this sauce with turkey, beef, or pork. It can also serve as a side dish for your festive meals.

Cranberry sauce in a bowl

Frequently Asked Questions

How do you reduce the sweetness of cranberries? 

If you find that your sauce is too sweet for your taste, then don’t worry much because you can tone it down using lemon juice. Add it until you get the desired sweetness you want. 

Which sweetener is best? 

First of all, your sweetener should be powdered. When granulated sweeteners cool, they crystallize. This could make your sauce crunchy, which we don’t want. I prefer to use allulose because it does not crystalize – even if you use granulated. You can also use powdered erythritol, powdered monk fruit sweeter (a type of erythritol), xylitol, or Swerve. 

Can you eat cranberry sauce on a keto diet? 

Store-bought cranberry sauce is loaded with sugar, so it has carbs and is not allowed on a keto diet. But this recipe contains no extra carbs! Cranberries have low carbs and are high in fiber. They’re good for you, provided you don’t eat them in large quantities.

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Cranberry sauce in a bowl

Low-Carb/Keto Cranberry Sauce

This Low Carb Cranberry Sauce is made with fresh cranberries and a sugar substitute and it turns out just like the cranberry sauce you're used to, but without all the extra sugar.
5 from 37 votes
Print Rate
Course: Sauce, Side Dish
Cuisine: American
Keyword: Cranberries
Cook Time: 15 mins
Total Time: 15 mins
Servings: 6 Servings
Calories: 27kcal
Author: Laura

Ingredients

  • 12 ounce package whole cranberries
  • 1 cup allulose sweetener or powdered erythritol, swerve, etc
  • 1 cup water
  • 1 tablespoon fresh orange zest
  • 1/4 teaspoon salt

Instructions

  • In a sauce pan over medium-high heat, add all the ingredients and stir together. Bring to a boil, stirring occasionally.
  • Once boiling, reduce heat to medium. Simmer uncovered until cranberries have split open and reached your desired consistency, about 10 minutes. Add the orange zest to the sauce and stir. Cook for 1 minute. Remove from heat and serve.

Nutrition

Calories: 27kcal | Carbohydrates: 7g | Protein: 0.3g | Fat: 0.1g | Saturated Fat: 0.01g | Polyunsaturated Fat: 0.03g | Monounsaturated Fat: 0.01g | Sodium: 100mg | Potassium: 48mg | Fiber: 2g | Sugar: 2g | Vitamin A: 38IU | Vitamin C: 9mg | Calcium: 7mg | Iron: 0.1mg

The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.

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Cranberry sauce in a bowl
Low-Carb/Keto Cranberry Sauce

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