Keto Mocha Truffle Fudge

Whenever I want a rich chocolate treat that takes very little effort, this is what I make.

Today I want to share my keto mocha truffle fudge. It has a deep chocolate flavor with a warm hint of coffee in every single bite.

Best of all, it is completely low carb and keto friendly. That means you can satisfy your sweet tooth without spiking your blood sugar or ruining your daily goals.

The texture turns out super smooth and creamy, just like the traditional fudge you find at a specialty candy shop.

You do not need any fancy cooking skills here, and the refrigerator does almost all the work for you.

Why I Love This Recipe

Decadent Truffle Texture – The rich cream and melted butter create a silky fudge that smoothly melts right on your tongue.

Bold Mocha Flavor – Rich dark chocolate combines with real espresso powder to deliver a deeply satisfying coffeehouse taste in every bite.

Zero Grittiness – Using powdered allulose keeps this sweet treat perfectly smooth without any grainy texture or cold cooling effect.

No Baking Needed – You only need a small saucepan to gently warm the cream before chilling it to total perfection.

Ingredients You’ll Need

• 8 oz Sugar Free Dark Chocolate, Chopped
• 1/2 cup Butter
• 1/2 cup Heavy Cream
• 1/3 cup Powdered Allulose
• 1 tbsp Instant Espresso Powder
• 1 tsp Vanilla Extract
• 1/4 tsp Salt
• 2 tbsp Cocoa Powder, For Dusting
• Flaky Sea Salt, For Topping

How To Make

Step 1

Line a 9×5 inch loaf pan with parchment paper, leaving overhang on the long sides. Place the chopped chocolate in a large heatproof bowl.

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Step 2

In a small saucepan, combine the butter, heavy cream, powdered allulose, espresso powder and salt. Heat over medium, stirring, until the butter melts and the mixture just begins to simmer around the edges.

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Step 3

Pour the hot cream mixture over the chocolate and let it sit undisturbed for 2 minutes to melt.

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Step 4

Stir slowly from the center outward until the chocolate is completely melted, thick and glossy. Stir in the vanilla. If any small lumps remain, microwave for 15 seconds and stir again.

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Step 5

Pour into the prepared pan, smooth the top, and refrigerate for at least 3 hours until firm.

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Step 6

Lift the fudge out using the parchment, dust the top with cocoa powder and sprinkle with flaky sea salt. Cut into 16 squares and store in the fridge for up to 2 weeks.

Tips

Chop the Chocolate Very Fine

Chop your chocolate into very small, uniform pieces before pouring the hot cream over it. Large chunks will not melt easily, and extra heat can make sugar free chocolate turn gritty.

I have found that shaving the chocolate down into fine flakes helps everything melt evenly. This gives you a smooth texture without needing to reheat the bowl in the microwave.

Do Not Let the Cream Mixture Boil

Heat the cream and butter over medium heat just until you see tiny bubbles start to form around the edge of the pot. Never let the pot come to a full, rolling boil.

If the cream gets too hot, the butter can split and leave an oily film on top of your fudge.

Keeping the heat gentle protects the fat and helps the sweetener dissolve cleanly into a rich syrup.

Stir From the Center Outward

When you start mixing the melted chocolate and cream, begin by making small circles right in the center of the bowl.

From my experience, slowly widening your circles as you stir creates a shiny, thick mixture. This technique pulls the ingredients together evenly without pushing oil out of the chocolate.

Stirring too fast or all over the bowl at once can make the fudge dull instead of glossy.

More Recipes

• Keto Brown Butter Miso Brownies
• Keto Caramel Macchiato Panna Cotta
• Keto Dubai Chocolate Brownies
• Keto Peanut Butter Lava Brownies
• Keto Tiramisu Brownie Cups

FAQ

Can I use powdered erythritol instead of powdered allulose?

Yes, but allulose is the best choice because it gives the fudge an ultra smooth and velvety texture.

Erythritol can crystallize as it chills, which might give your fudge a slight crunch and a noticeable cooling sensation.