Easy and Delicious Keto Peanut Butter Fudge Recipe for a Guilt-Free Treat

Keto Peanut Butter Fudge: A Guilt-Free Indulgence

Welcome to a world where decadence meets dietary consciousness with our Keto Peanut Butter Fudge. If you’re on the hunt for a low-carb dessert that doesn’t skimp on flavor, you’ve hit the jackpot. This recipe is not just a treat for your taste buds but also aligns perfectly with your keto diet goals. Imagine indulging in a creamy, rich fudge that satisfies your sweet tooth without the worry of carb overload. That’s exactly what you get with this sugar-free fudge, designed to keep you on track while enjoying every bite.

For those who follow a ketogenic lifestyle, finding desserts that fit into your meal plan can be a challenge. That’s where this Keto Peanut Butter Fudge comes in, offering all the pleasure of traditional fudge with none of the guilt. It’s a dessert that’s not only delicious but also contributes to your health goals, providing a good amount of healthy fats while keeping the carbs at bay. So let’s dive into the creamy goodness of this fudge and discover why it’s the perfect keto-friendly treat.

Keto Peanut Butter Fudge

The Origins and Benefits of Keto Peanut Butter Fudge

This Keto Peanut Butter Fudge is more than just a dessert; it’s a testament to the versatility of keto-friendly ingredients. Born from the desire to create a sweet treat that could be enjoyed without breaking the carb bank, this recipe is a harmonious blend of health-conscious components that come together to form a delectable confection.

The foundation of this fudge is natural, unsweetened peanut butter, a fantastic source of healthy fats and protein, which are essential on a ketogenic diet. The use of coconut oil adds to the richness while providing medium-chain triglycerides (MCTs), known for their energy-boosting properties. The sweetness comes from erythritol, a sugar alcohol that has minimal impact on blood sugar levels, making it an excellent choice for maintaining ketosis.

Each ingredient has been carefully selected to ensure that you can indulge without compromising your dietary goals. The result is a fudge that not only melts in your mouth but also supports your health, offering a balance of macros that align with the ketogenic approach. It’s a dessert that proves you don’t have to sacrifice flavor for fitness, and it’s one that you can enjoy without hesitation.

Ingredients for Keto Peanut Butter Fudge

Perfecting the Method: Tips for Keto Peanut Butter Fudge

Making this Keto Peanut Butter Fudge is straightforward, but a few chef’s tips can elevate your fudge from good to great. The key to perfect fudge is in the details, so let’s delve into the method with some additional insights.

Firstly, when lining your baking pan with parchment paper, ensure you leave enough overhang. This simple step will save you from any potential fudge removal struggles later on. As you combine the peanut butter, butter, and coconut oil over low heat, patience is your friend. Keep the heat low and stir continuously to achieve a smooth, homogenous mixture without scorching any of the ingredients.

After removing your saucepan from the heat, take your time to thoroughly mix in the erythritol, vanilla extract, and sea salt. Dissolving the erythritol completely is crucial for that smooth fudge texture. When pouring the mixture into your pan, use a spatula to smooth the top for an even, professional look. Remember, chilling is an essential part of the process, so don’t rush it. The fudge needs to be firm to the touch before cutting into those perfect squares.

By following these additional tips, you’ll ensure your Keto Peanut Butter Fudge is not just delicious but also has the perfect texture and presentation that will impress anyone who tries it.

Keto Peanut Butter Fudge

Variations to Keto Peanut Butter Fudge

Chocolate Swirl Keto Fudge

For those who love the classic combination of peanut butter and chocolate, create a chocolate swirl version of this fudge. Melt some keto-friendly dark chocolate and drizzle it over the top of the fudge mixture before chilling. Use a toothpick to swirl the chocolate into the fudge for a beautiful and tasty effect.

Nutty Crunch Keto Fudge

Add some texture to your fudge by stirring in chopped nuts like almonds or pecans. This not only gives a delightful crunch with each bite but also adds extra healthy fats and nutrients to your treat.

Coconut Keto Fudge

For a tropical twist, mix in some unsweetened shredded coconut before chilling. The coconut will complement the flavors and add a refreshing note to your fudge, perfect for those who enjoy a bit of variety in their desserts.

Substitutions for Keto Peanut Butter Fudge

While this recipe is designed to be keto-friendly, you may need to make substitutions based on dietary restrictions or personal preference. Here are some low-carb alternatives that work well in this fudge recipe.

For those with a peanut allergy or simply looking for a different flavor, almond butter or sunflower seed butter can be used in place of peanut butter. Both options maintain the creamy texture and are packed with healthy fats.

If you’re avoiding dairy, replace the unsalted butter with a dairy-free alternative like coconut butter or ghee. These substitutes will keep the fudge keto-friendly while catering to your dietary needs.

Erythritol can be swapped for other keto-approved sweeteners like stevia or monk fruit sweetener. Keep in mind that the sweetness level may vary, so adjust the quantity accordingly to achieve the desired sweetness.

FAQs About Keto Peanut Butter Fudge

Q: Can I freeze Keto Peanut Butter Fudge?
A: Yes, you can freeze the fudge for up to 3 months. Just make sure to store it in an airtight container to maintain freshness.

Q: Is this fudge diabetic-friendly?
A: Since it’s made with erythritol, a sugar alcohol with a low glycemic index, it’s generally suitable for diabetics. However, it’s always best to consult with a healthcare provider.

Q: How do I prevent the coconut oil from solidifying?
A: Ensure all ingredients are at room temperature before starting, and mix the fudge well to incorporate the coconut oil evenly.

Q: Can I use crunchy peanut butter instead of smooth?
A: Absolutely! Crunchy peanut butter will add texture to your fudge, just be mindful of any added sugars in the peanut butter.

Q: How do I know when the fudge is set?
A: The fudge should be firm to the touch and should not leave an imprint when lightly pressed. If it’s still soft, it needs more chilling time.

Keto Peanut Butter Fudge

Indulge in the creamy, melt-in-your-mouth goodness of Keto Peanut Butter Fudge. This easy-to-make dessert offers all the rich flavor you crave without the high carbs, making it the perfect guilt-free treat for your low-carb lifestyle.
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Prep Time 10 minutes
Cook Time 2 hours
Total Time 2 hours 10 minutes
Course Desserts
Cuisine American
Servings 16 pieces
Calories 200 kcal


  • 8x8 inch (20x20 cm) baking pan
  • Parchment paper
  • Medium saucepan
  • Spatula
  • Knife


  • 1 cup natural peanut butter, unsweetened 256g
  • ½ cup unsalted butter 113g / 4 oz
  • cup powdered erythritol 53g
  • 1 tsp vanilla extract 5ml
  • ¼ tsp sea salt 1.5g
  • ½ cup coconut oil 120ml / 4 oz


  • Line an 8x8 inch (20x20 cm) baking pan with parchment paper, leaving some overhang for easy removal.
  • In a medium saucepan over low heat, combine the peanut butter, unsalted butter, and coconut oil. Stir continuously until the mixture is smooth and fully combined.
  • Remove the saucepan from the heat and stir in the powdered erythritol, vanilla extract, and sea salt until the erythritol is completely dissolved.
  • Pour the mixture into the prepared baking pan, smoothing the top with a spatula.
  • Place the pan in the refrigerator and chill until the fudge is firm, about 2 hours.
  • Once set, lift the fudge out of the pan using the parchment paper overhang and cut into 16 equal squares.
  • Serve immediately or store in an airtight container in the refrigerator.


Ensure all ingredients are at room temperature to avoid the coconut oil from solidifying when mixed.
For a smoother fudge, you can blend the mixture with an immersion blender before pouring it into the pan.
If you have a peanut allergy, you can substitute almond butter or sunflower seed butter.
Keep fudge refrigerated as it can soften at room temperature due to the coconut oil.
The fudge can be frozen for up to 3 months for longer storage.


Calories: 200kcalCarbohydrates: 4gProtein: 5gFat: 18gFiber: 2gNet Carbs: 2g
Keyword Keto Fudge, Keto Peanut Butter Fudge, low carb dessert, Sugar-Free Fudge
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