Keto Hot Fudge Sauce

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This luscious Keto Chocolate Sauce is smooth and creamy and full of rich, fudgy flavor. Drizzle it over your favorite keto ice cream for an amazing dessert experience!

Here we are in the dead of winter and I am craving ice cream. A big bowl of keto ice cream topped with ribbons of this luscious keto hot fudge sauce. It’s one of my favorite things in all the world.

You know those people who are always complaining that they are cold? I am one of those people. And yet, I could eat ice cream with hot fudge sauce any time of year. It doesn’t matter if it’s high summer and broiling, or dead winter and freezing. A sugar-free dessert like this makes me happy!

But it’s not just for ice cream. This keto chocolate sauce is so darn good, you can drizzle it over keto brownies, spread it on some keto chocolate chip cookies, or spoon it over keto cheesecake. Or you could just eat it with a spoon!

Why you will love this recipe

I first created this hot fudge sauce way back in 2015, and it was delicious. But much has changed in the intervening years and I wanted to see if I could make it better. Do I even need to tell you that it was a success?

This sauce is just as thick and velvety and chocolatey as it ever was. It pours over that ice cream, melting it just slightly as it goes, and becoming more fudgy as it cools against the frosty dessert.

But I also made it a little bit lighter in calories, and it stays gooier and softer. I switched out the sweetener so it no longer recrystallizes as it cools. And it’s easier to reheat.

And the best part is that you can adapt it for interesting flavors. Consider mint extract instead of vanilla. Or orange extract! Or coffee, or raspberry, or caramel. Can you see why I am craving ice cream?

Ingredient Notes

• Heavy whipping cream: This is the creamy base of the hot fudge sauce. You could also use coconut cream.
• Water: I used a little water to help thin the sauce and reduce the calories and fat a bit. Your ice cream provides plenty of that anyway!
• Allulose sweetener: The sweetener you use determines the final consistency of the sauce. You can use erythritol, but it will solidify and recrystallize as it cools. Allulose makes it more fudgy, and it stays creamy (although it still firms up).
• Butter: This helps the sauce thicken and also adds creaminess.
• Unsweetened chocolate: Make sure to choose chocolate that is 100% cacao, with no sweeteners at all. It is lower in carbs and also helps the fudge thicken and set properly.
• Espresso powder: This is optional but it really brings out the chocolate flavor.
• Pantry staples: Vanilla extract and salt.

Step by Step Directions

1. Add the wet ingredients: Combine the cream and water together a medium saucepan over medium heat. Add the sweetener and butter.

2. Simmer the mixture: Bring to a simmer, whisking until the sweetener dissolves. Cook 5 minutes, whisking frequently. Do not let it boil.

3. Add the chocolate: Remove from heat and add the chopped chocolate and let sit 3 minutes, to melt. Add the vanilla extract, espresso powder, and salt, and whisk until smooth.

4. Use as desired: Drizzle over your favorite low carb ice cream or use as chocolate fondue. It can also be used to glaze cakes or donuts.

5. To rewarm: Place the desired amount of sauce in a bowl and microwave on 50% power in 20 second increments. You can also add the sauce to a heat-safe bowl over a pan of gently simmering water, stirring frequently.

Tips for Success

As mentioned above, the sweetener you use makes all the difference. Allulose keeps this keto chocolate sauce softer and it won’t recrystallize. You can use other sweeteners but the consistency won’t be quite the same.

I prefer unsweetened chocolate for recipes like this, so I can control the sweetness and the consistency. Many sugar-free chocolate brands contain erythritol, and that will change the outcome.

I often add espresso powder to chocolate recipes to deepen and enhance the chocolate flavor. It does not make the recipes taste like coffee or mocha in small quantities, but it does bring out the best notes of the chocolate.

Different brands of unsweetened chocolate can affect how thick the sauce is. If you find your sauce not thickening up as it cools, whisk in a little cocoa powder (1 to 2 teaspoons). Alternatively, if it’s too thick, return to low heat and whisk in some cream. Different brands of unsweetened chocolate can

Frequently Asked Questions

Serve this sugar free hot fudge sauce over:

Keto Chocolate Sauce Recipe

This luscious Keto Chocolate Sauce is smooth and creamy and full of rich, fudgy flavor. Drizzle it over your favorite keto ice cream for an amazing dessert experience!

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Course: Dessert

Cuisine: Dessert

Keyword: sugar-free chocolate sauce

Prep Time: 5 minutes minutes

Cook Time: 10 minutes minutes

Total Time: 15 minutes minutes

Servings: 10 servings

Calories: 144kcal

Instructions

• Whisk the cream and water together in a measuring cup. Pour into a medium saucepan over medium heat. Add the sweetener and butter.

• Bring to a simmer, whisking until the sweetener dissolves. Cook 5 minutes, whisking frequently. Do not let it boil.

• Remove from heat and add the chopped chocolate and let sit 3 minutes, to melt. Add the vanilla extract, espresso powder, and salt and whisk until smooth.

• Drizzle over your favorite low carb ice cream or use as chocolate fondue. It can also be used to glaze cakes or donuts.

Notes

Tip: If you find your sauce not thickening up as it cools, whisk in a little cocoa powder (1 to 2 teaspoons). Alternatively, if it’s too thick, return to low heat and whisk in some cream. 
Storage Information: Store this sugar-free chocolate sauce in an airtight container and refrigerate for up to a week. It It will firm up and become more like soft fudge in the fridge. To use, gently warm until melty. 
 

Nutrition Facts

Keto Chocolate Sauce Recipe

Amount Per Serving (2 tbsp)

Calories 144
Calories from Fat 108

% Daily Value*

Fat 12g18%

Saturated Fat 7.9g40%

Sodium 10mg0%

Carbohydrates 3.9g1%

Fiber 1.9g8%

Protein 1.9g4%

* Percent Daily Values are based on a 2000 calorie diet.