Keto Peanut Butter Fudge

5 / 5 (7 reviews)

This peanut butter fudge is the perfect sugar free way to get in your sweet fix on a keto diet. It's high in fat and has a rich and creamy peanut butter flavor.

By: Mia Henderson (via Ketoconnect)
Original Publish: Mar 25, 2021
Last Updated: Mar 2, 2026
Prep: 10 mins
Yields: 14, 14 Squares

Nutrition Facts

168 kcalCalories
5 gProtein
3 gCarbs
16 gFat
Finished Keto Peanut Butter Fudge

Ingredients

Instructions

  1. Line a loaf pan with parchment paper and set aside.

  2. In a microwave-safe bowl, add the butter, and microwave it until completely melted.

  3. Add in the erythritol and stevia, and whisk well. Microwave in 30-second intervals, whisking in between until all the sweetener is melted.

  4. Add in the peanut butter and vanilla extract. Whisk until a homogeneous mixture forms.

  5. Pour the mixture into the lined pan, and sprinkle some flakey salt on top if desired.

📹 Video Tutorial Available! Catch the full video on the original creator's site.

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We've hidden the final 3 steps to support the original creator. Get the full, complete instructions directly from their site!

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Chef's Notes

Net Carbs: 2

Don’t use homemade peanut butter if it’s too runny. Only use peanut butter brands that have firm consistencies.
If you like a sweeter fudge, you can increase the sweetener amount to 1 cup

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Reviews from the Original Source

Chante ★ 5.0/5

Very satisfying and lasted about two weeks in fridge. I had a small square when the need for something sweet hit after lunch or dinner. Thanks.

Dori ★ 5.0/5

This recipe is SO GOOD!! I left out the stevia (preference) and put just a little more powdered erythritol. It was FABULOUS as is. I think I’ll try some dark chocolate and/or kosher salt on top for a little extra flavor.

Mary ★ 5.0/5

TY! finally a fudge recipe that don't involve dang ole cream cheese will I be able to use coconut oil in place of butter for this recipe? Thanks again!

Texanne McLeish ★ 5.0/5

This is such a WINNER. Seriously. It’s ridiculously easy, simple, and delicious. It checks all the boxes. Thanks Matt

Heather ★ 5.0/5

Holy cow this is DELICIOUS. I also followed the recipe exactly, and it was easy to make and absolutely scrumptious. Knocked it out of the park again, thank you Matt and Megha!

Dawn ★ 5.0/5

This recipe is so good and simple. I have really enjoyed every recipe I've tried.

BC Marks ★ 5.0/5

A keeper!!,,, I followed this recipe exactly. I added some dark chocolate to half as was suggested by Matt in the video. My peanut butter was home made in the Vitamix. Both the plain and the chocolate were delicious.

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