Keto Peanut Butter Fudge
There’s something incredibly satisfying about indulging in a sweet treat, especially when it’s guilt-free! That’s what drew me to creating this Keto Peanut Butter Fudge. I remember the first time I made it; I had just started my keto journey. I wanted something that would satisfy my sweet tooth without the carbs, and boy, did this hit the spot! The creamy texture combined with the rich flavor of peanut butter makes it feel like a decadent dessert, but it’s packed with protein and healthy fats. It quickly became a staple for my late-night cravings and a favorite to share with friends during gatherings. The best part? It’s incredibly easy to whip up, requiring minimal ingredients and just a little patience for it to set in the freezer. Every bite feels like a little treat that I can enjoy without the carb guilt!
Recipe Snapshot
5 mins
5 mins
0 mins
Easy
90 kcal
7 g
Keto, Gluten-Free, Low FODMAP
7 g
5×7 inch tray
What Sets This Keto Peanut Butter Fudge Apart
Simple and Fast to Make
What I love most about this Keto Peanut Butter Fudge is how effortless it is to prepare. With just a few simple steps, you can have a delightful treat ready to enjoy in no time. You don’t need to be a master chef to impress with this recipe!
Perfect for Any Occasions
This fudge is not just for your personal indulgence; it’s also perfect for any occasion! Whether you’re hosting a party, attending a potluck, or just looking to satisfy your sweet cravings, this fudge fits right in. Everyone loves a good treat!
Low in Carbs, High in Satisfaction
Following a keto diet can often feel restrictive, but this fudge brings back the joy of dessert without the carbs. Each square is low in net carbs, allowing you to indulge without derailing your diet.
Healthy Ingredients
Each ingredient in this fudge is chosen with care. Using peanut butter, butter, and whey protein powder not only enhances the flavor but also provides a nutritious profile that fuels your body.
Customizable to Your Taste
Another reason I adore this recipe is its versatility. You can tweak the sweetness to your liking or add different flavorings to create your unique version of Keto Peanut Butter Fudge. The possibilities are endless!
Ingredients Required for Keto Peanut Butter Fudge

In crafting the perfect Keto Peanut Butter Fudge, each ingredient plays a vital role. The combination of creamy peanut butter, wholesome butter, and sweeteners not only creates a rich texture but also balances the flavors beautifully. This simple yet effective ingredient list ensures that what you’re enjoying is both delicious and nourishing.
- 1 cup /260g peanut butter: The star of this fudge, providing creamy texture and rich flavor.
- ⅓ cup /60g butter: Adds richness and helps bind the ingredients together.
- ⅓ cup /40g powdered sweetener: Sweetens the fudge; allulose is preferred for its low-carb profile.
- ½ cup /35g whey protein powder: Boosts protein content, making it more filling.
- 1 teaspoon vanilla extract: Optional, but it enhances the overall flavor.
- pinch of salt: Balances the sweetness, especially if your peanut butter is unsalted.
Cooking Method for Keto Peanut Butter Fudge

Making Keto Peanut Butter Fudge is a breeze! With just a few simple steps, you’ll be on your way to enjoying this delicious treat. Let’s dive into the method that will have your taste buds dancing!
Start by melting the butter in a bowl. You can do this in the microwave or on the stovetop. The key is to make sure it’s melted but not boiling.
Once melted, take it off the heat and stir in the peanut butter until fully combined. You should achieve a smooth mixture without any lumps.
Next, add the powdered sweetener and whey protein powder. Mix thoroughly with a fork or a spatula until everything is well incorporated.
If you’re using vanilla extract, now’s the time to add it! Stir it in and give the mixture a good mix.
Prepare a 5×7 inch tray by lining it with parchment paper, allowing some overhang for easy removal later. Pour the fudge mixture into the lined tray.
Use a spatula to spread the mixture evenly to the edges of the tray. Make sure it’s level for consistent squares.
Now, place the tray in the freezer for about 40 minutes or until set. You want it firm enough to cut.
Once set, remove the fudge from the tray using the parchment overhang. Place it on a cutting board.
Using a sharp knife, cut the fudge into 1.5-inch squares. Store the squares back in the freezer in an airtight container.
Things Worth Knowing
- Choose the Right Peanut Butter: Opt for natural peanut butter without added sugars or oils for the best flavor and health benefits.
- Texture Matters: Ensure your fudge mixture is smooth and well-mixed before freezing to avoid chunks in your final product.
- Chill Time: Be patient! Allowing the fudge to set in the freezer is crucial for achieving the right texture.
- Storage Tips: Keep your fudge in an airtight container in the freezer to maintain freshness and prevent freezer burn.
Ways to Adapt This Recipe

If you’re looking to customize your Keto Peanut Butter Fudge, here are some excellent ways to adapt the recipe:
- Storage: Store leftovers in an airtight container in the freezer to keep them fresh and ready for cravings.
- Freezing: This fudge can be kept in the freezer for several weeks, making it a perfect make-ahead treat.
- Variations: Experiment with different nut butters like almond or cashew for a unique twist!
- Add-Ins: Consider adding chopped nuts or sugar-free chocolate chips for extra texture and flavor.
- Sweetener Options: If you can’t find allulose, feel free to use other powdered sweeteners that fit your diet.
Pairing Suggestions for Keto Peanut Butter Fudge
When it comes to serving your delicious Keto Peanut Butter Fudge, there are many delightful pairings to consider:
- With Coffee: Enjoy a square of fudge with a rich coffee for a delightful afternoon pick-me-up.
- For Dessert Tables: Place it on dessert tables during parties alongside other keto-friendly treats.
- As a Snack: These fudge squares make for a perfect post-workout snack, providing quick energy and protein.
- Seasonal Celebrations: Incorporate them into holiday festivities as a guilt-free treat everyone can enjoy.
- Storage Tips: Keep them stored in the freezer and pull them out as needed to maintain freshness.
FAQ
Conclusion
The Keto Peanut Butter Fudge is truly a remarkable recipe that combines indulgence with health-conscious choices. With its rich, creamy texture and low-carb profile, it’s a perfect way to satisfy your sweet cravings. I encourage you to give this recipe a try and experience the joy of a guilt-free dessert that everyone will love!

Keto Peanut Butter Fudge
Ingredients
Equipment
Method
- Melt the butter and stir all ingredients together with a fork.
- Line the tray with parchment paper and pour in the mix.
- Freeze for 40 minutes or until set.
- Cut into 1.5-inch squares using a sharp knife. Store in the freezer.
Notes
- Makes: 16 fudge squares weighing 20g each.
- Net carbs: 0.6g net carbs per 1.5-inch square.
- Tip: My tray was larger; use a scrunched-up piece of aluminum foil to adjust size.
- Ready to eat: Fudge can be enjoyed straight from the freezer or softened slightly at room temperature.
- Ordering Sweeteners: Outside the US, allulose is available at iherb.com.


