Low-Carb Chocolate Fudge Recipe: Keto-Friendly Chocolate Fudge

I’ve spent a long time perfecting this keto fudge. I struggled to get the texture right—either the sweeteners left an unpleasant aftertaste or the chocolate didn’t behave—until this weekend when I finally nailed the balance. The result is a soft, creamy fudge that holds together, slices cleanly, and tastes as indulgent as traditional fudge.

I hope you enjoy this recipe as much as we did. It was so good I gave away half the batch to stop myself from eating it all. If you have willpower, this makes a great low-carb dessert to keep on hand. If chocolate is your weakness, consider this fair warning.

What Makes This Low-Carb Fudge So Sensational?

The standout feature is the soft creaminess. If you prefer a gritty, old-fashioned style fudge, this isn’t for you. But if you love a rich, melt-in-your-mouth fudge, this recipe will delight you.

It’s a simple way to satisfy a sweet tooth without reaching for a high-sugar treat. While it won’t replace all your macros, it can definitely boost your mood.

This recipe yields 16 pieces. Each square is decadent and satisfying while remaining very low in net carbohydrates—ideal for a keto diet.

Why this recipe works:

• Quick and straightforward—minimal steps and just a few simple ingredients.
• Flexible—swap chocolate varieties or add oil-based flavorings to change the profile.
• Keto-friendly and gluten-free.

Can I make this recipe dairy free?

Yes. Use canned coconut milk in place of heavy cream; do not use coconut beverage (the canned full-fat variety is necessary for the texture).

What Tools are Required for this Recipe?

This is an uncomplicated recipe that doesn’t require professional equipment. You’ll need:

• A loaf pan (or a small cake pan will work)
• Plastic wrap (for easy removal)
• Rubber spatula
• Mixing bowl
• Saucepan or double-boiler

If you’re new to low-carb baking, a basic set of tools and a stocked pantry will make projects like this much easier.

What Sweeteners Work Best In This Sugar-Free Fudge Recipe?

For the soft, creamy texture, use granular allulose or a similar non-crystallizing sweetener such as bocca sweet. These sweeteners don’t crystallize or produce an off taste with chocolate.

I don’t recommend other granular sweeteners for this recipe. Erythritol and monk fruit might work for some, but they can leave a noticeable aftertaste at the high sweetness level needed for fudge. Erythritol in particular can grain when cold, which ruins the smooth texture that allulose provides. Avoid stevia and liquid sweeteners here.

Tips for Working with Allulose

Cook the allulose only a few minutes—just until it dissolves and the cream begins to bubble slightly. Allulose can burn quickly when it splashes on the hot pan sides, causing a bitter taste. Stir gently and keep the heat at medium-low to prevent burning.

Tips for Making This Tasty Keto Fudge Recipe

You can double the recipe to fit an 8×8 pan. I used a small loaf pan for the original batch. Line the pan with plastic wrap—greasing alone won’t work and parchment can let liquid seep through the corners. The plastic wrap lets you lift the fudge slab out easily for clean slicing.

The mixture will seem very loose when you pour it into the pan—almost like a sauce—but refrigeration overnight transforms it into true fudge that slices well. Resist the urge to sample it immediately; letting it chill overnight is worth the wait.

Storage and Serving Suggestions

Store the fudge in the refrigerator for the best texture; it holds together well when cold and softens at room temperature. I prefer it straight from the fridge—its texture is nostalgic and reminiscent of old-fashioned marshmallow fudge.

Refrigerated and covered, it will keep up to one week. You can also freeze the fudge, well-wrapped or in an airtight container, for up to one month.

Looking For More Chocolate Keto Desserts?

If chocolate is one of your favorite things, you’ll find many keto and low-carb chocolate recipes to try. When a chocolate craving tempts you away from your diet, reach for one of these sugar-free alternatives to satisfy that desire without derailing your goals.

Editorial Note: This recipe was originally published on January 18, 2021, and updated on February 27, 2022.

Soft & Creamy Chocolate Keto Fudge Recipe

Yield:
16

Prep Time:
3 minutes

Cook Time:
5 minutes

Additional Time:
8 hours

Total Time:
8 hours 8 minutes

Super soft and creamy keto fudge that will melt in your mouth.

Ingredients

• 1 cup allulose
• 1/2 cup heavy whipping cream
• 1 cup Lily’s Sugar Free Chocolate Chips (you can use any flavor you want, I used Milk Chocolate)
• 2 Tbsp unsalted butter
• 1 tsp vanilla extract
• Pinch of salt

Instructions

1. Pour chocolate chips into a medium-size bowl and set them aside.
2. Prep the bottom and sides of a loaf pan with plastic wrap.
3. In a heavy bottom saucepan or double boiler, heat the allulose, heavy cream, butter, salt, and vanilla on medium-low heat until the butter is fully melted and the mixture begins to bubble at the edges, about 4 minutes.
4. Pour the hot mixture over the chocolate chips and let it sit undisturbed for 2 minutes.
5. Stir until the chocolate is glossy and the mixture is fully combined.
6. Pour into the prepared loaf pan and refrigerate overnight to set.
7. To slice, lift the entire slab out using the plastic wrap and cut on a cutting board for clean pieces.

Notes

1. Cook the allulose and cream on medium-low to avoid burning the sweetener and creating bitterness. 2. Line your pan with plastic wrap—greasing or parchment can cause sticking or leaking. 3. Store refrigerated; the fudge freezes well for up to a month.

Recommended Products

As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.

• Wholesome Allulose
• Lily’s Less Sugar Baking Chips

Nutrition Information:

Yield: 16
Serving Size: 1

Amount Per Serving:
Calories: 95Total Fat: 7gSaturated Fat: 5gTrans Fat: 0gUnsaturated Fat: 2gCholesterol: 15mgSodium: 19mgCarbohydrates: 4gNet Carbohydrates: 1.5gFiber: 2.5gSugar: 6gProtein: 1g

Nutritional information is approximate and provided as a courtesy. Net carbs exclude sugar alcohols like erythritol, which typically do not impact blood sugar.

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