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Home » Desserts » Keto Fudge

Keto Fudge

A photo of Vered DeLeeuw.
by Vered DeLeeuwUpdated Jun 5, 2024
4 Comments
5 from 1 vote

Jump to Recipe Review Recipe

This delicious keto fudge is made with ultra-dark chocolate and creamy peanut butter. With a prep time of just 15 minutes, it's so easy to make, and the result is wonderfully creamy, rich, and decadent.

Keto fudge squares are stacked on a white plate.

This fudge is such a treat! It's made with just 5 ingredients, takes 15 minutes to make, and then you need to let it set for 4 hours, which is the hardest part. But once it's ready, your patience is rewarded with a creamy, flavorful, and indulgent keto treat! If you love the combination of chocolate and peanut butter, you are going to love this fudge.

Ingredients

The ingredients needed to make a keto fudge.

You'll only need a few simple ingredients to make this fudge. The exact measurements are listed in the recipe card below. Here's an overview of what you'll need:

  • Dark chocolate: The darker you can go and still enjoy it, the better. I typically use Lindt 90% cacao.
  • Sweetener: I use stevia glycerite. If you prefer a granulated sweetener, it's best to use a powdered version to ensure a smooth texture.
  • Unsalted butter: I love using creamy European butter, but any butter will be great.
  • Peanut butter: I use natural creamy peanut butter. The only ingredients are peanuts and salt. If your peanut butter doesn't contain salt, you can add a pinch of salt to the mixture.
  • Vanilla extract: Try to use the real thing - pure vanilla extract - and not the artificially flavored stuff.

Variations

  • You can use almond butter instead of peanut butter.
  • Use different types of chocolate. I prefer Lindt 90%, but other brands that I like are Endangered Species 88% and Theo 85%.
  • You can use different flavor extracts instead of vanilla. This will work better if you use almond butter, which has a more neutral flavor. You can use ½ teaspoon of almond extract or coconut extract.

Instructions

Scroll down to the recipe card for detailed instructions. Here are the basic steps for making this recipe:

You start by gently melting dark chocolate, a sweetener, unsalted butter, peanut butter, and vanilla extract in a saucepan.

The ingredients were melted in a saucepan.

Remove the mixture from the heat and use a rubber spatula to transfer it to a square (or a small rectangle) Pyrex dish.

Transferring the mixture to the lined pan.

Cover the pan and refrigerate it until the fudge is set, for about four hours. Cut into squares and serve.

Cutting the fudge into squares.

Expert Tip

As mentioned above, I use natural creamy peanut butter - the type that you need to stir after opening. I

recommend using a fresh jar when making this recipe. The peanut butter at the bottom of these jars is often quite dry, even if you stirred it thoroughly when you first opened the jar.

Recipe FAQs

Can I use sugar-free chocolate?

Yes, if you like its flavor. Personally, I'm not a fan. I like to use Lindt Excellence 90%.

Since it's a truly dark chocolate, and the peanut butter I use contains salt, I like to add a bit of sweetener to balance out the flavor. I add a teaspoon of stevia glycerite, which equals ⅓ cup of sugar.

Don't you need powdered sugar to set fudge?

It's true that large amounts of powdered sugar help classic fudge get its wonderful texture. However, in this recipe, there's no powdered sugar and the fudge comes out delicious and creamy.

Sugar also acts as a preservative. That's why we keep this keto fudge in the fridge and enjoy it straight out of the fridge. It's quite different than classic fudge, but it's very, very good.

Can I use almond butter instead of peanut butter?

Yes, you can use creamy natural almond butter and add a pinch of salt. It's not as tasty as peanut butter, but it's very good.

Serving Suggestions

This keto fudge is amazing all on its own. If you're serving it to guests, you can pair it with fresh fruit, cheese, and red wine.

My favorite way of enjoying it in the winter is with hot coffee or mint tea. In the summer, I enjoy it with iced coffee or iced tea.

Storing Leftovers

After the fudge has set and you've cut it into squares, you can store them in the fridge, in an airtight container, for up to a week.

You can also freeze this fudge. Arrange the squares in a single layer in a freezer bag and freeze them for up to three months.

The fudge softens quickly out of the fridge, so it's best to enjoy it straight out of the fridge.

Keto fudge served on a white plate.

More Keto Desserts

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Recipe Card

Keto fudge squares are stacked on a white plate.
5 from 1 vote
Save this RecipeSaved! Rate this Recipe Print Recipe

Easy Keto Fudge

This keto fudge is so easy to make, and the result is wonderfully creamy, rich, and decadent.
Prep Time15 minutes mins
Rest time4 hours hrs
Total Time4 hours hrs 15 minutes mins
Course: Dessert
Cuisine: American
Servings: 16 squares
Calories: 111kcal
Author: Vered DeLeeuw
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Ingredients

  • 3.5 ounces dark chocolate - 90% cacao, broken into pieces
  • ¼ cup unsalted butter - cubed
  • ½ cup peanut butter - natural, creamy
  • 1 teaspoon stevia glycerite - or ⅓ cup of a powdered sweetener
  • 1 teaspoon vanilla extract

Instructions

  • Line a square 8-inch baking dish or a similar-capacity food storage container with wax paper, leaving an overhang.
    The pan was lined with wax paper.
  • Place the chocolate pieces, butter cubes, peanut butter, stevia, and vanilla in a medium saucepan. Heat over very low heat, stirring often until melted. Be careful not to burn the chocolate.
    The ingredients were added to a saucepan.
  • Remove the mixture from the heat as soon as the chocolate is melted. Keep stirring until smooth.
    The ingredients were melted in a saucepan.
  • Using a rubber spatula, transfer the mixture to the prepared pan, spreading it out evenly and smoothing the top. Cover with plastic wrap. Refrigerate the fudge until set, for about 4 hours.
    Transferring the mixture to the lined pan.
  • Uncover and use the wax paper overhang to remove the fudge from the pan and onto a cutting board. With a sharp knife, cut it into 16-20 squares.
    Cutting the fudge into squares.
  • Serve immediately, or refrigerate for later.
    The fudge is served.

Notes

  • I use natural creamy peanut butter. The only ingredients are peanuts and salt. If your peanut butter doesn't contain salt, add a pinch of salt to the mixture. I highly recommend using a fresh jar when making this recipe. The peanut butter at the bottom of these jars is often quite dry, even if you stirred it thoroughly when you first opened it.
  • The fudge is still a bit soft after the initial four hours. Its texture improves after an overnight stay in the fridge. It does soften quickly at room temperature, so it's best enjoyed straight out of the fridge. 
  • After the fudge has set and you've cut it into squares, you can store them in the fridge, in an airtight container, for up to a week. You can also freeze this fudge. Arrange the squares in a single layer in a freezer bag and freeze them for up to three months.

Nutrition per Serving

Serving: 1 square | Calories: 111 kcal | Carbohydrates: 3 g | Protein: 3 g | Fat: 10 g | Saturated Fat: 5 g | Sodium: 39 mg | Fiber: 1 g | Sugar: 1 g

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Most recipes are low-carb and gluten-free, but some are not. Recommended and linked products are not guaranteed to be gluten-free. Nutrition info is approximate. Please verify it independently. The carb count excludes non-nutritive sweeteners. Please read these Terms of Use before using any of my recipes.

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Comments

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  1. Christiane Konnerth says

    November 17, 2023 at 2:48 pm

    Could I replace the 90% dark chocolate with Sugarfree chocolate chips?

    Reply
    • Vered DeLeeuw says

      November 17, 2023 at 4:02 pm

      Hi Christiane,
      I haven't tested this recipe with sugar-free chocolate. However, I believe this substitution should work.

  2. Bernie says

    July 24, 2023 at 1:13 pm

    Can I add cream cheese to this recipe? If so, how much?

    Reply
    • Vered DeLeeuw says

      July 24, 2023 at 6:07 pm

      Hi Bernie, I don't recommend adding cream cheese. It would alter the consistency of the fudge.

A photo of Vered DeLeeuw.

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Healthy Recipes Blog was founded in 2011 by Vered DeLeeuw. It features real food recipes with a focus on low-carb and gluten-free ingredients. All recipes are nutritionally reviewed by a Registered Dietitian. Contact us at HealthyRecipesBlog@gmail.com.

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