Creamy and decadent keto peanut butter fudge is delicious and very easy to make. No powdered sugar or condensed milk!
You need to be very careful with this amazing keto fudge! Creamy, fudgy and irresistible, it is very difficult to stop at one square.
But try: take one square out of the freezer, and savor it slowly, taking small bites. If you enjoy it slowly, you’ll see how satisfying it really is.
The ingredients you’ll need
You’ll only need a few simple ingredients to make this tasty keto peanut butter fudge. The exact measurements are included in the recipe card below. Here’s an overview of what you’ll need:
Creamy peanut butter: I use natural peanut butter. The only ingredients are peanuts and salt.
Unsalted butter: I’m partial to creamy European butter.
Vanilla extract: Try to use the real thing – pure vanilla extract – and not the artificially flavored stuff.
Sea salt: Adds an interesting layer of flavor to the fudge.
Sweetener: I use stevia. You could probably use a powdered sweetener instead, but I haven’t tried that.
Coconut flour: This healthy flour substitute helps to thicken and stabilize the fudge.
How to make keto peanut butter fudge
It’s ridiculously easy! It’s one of the easiest keto desserts on this blog. The detailed instructions are in the recipe card below. Here are the basic steps:
Start by melting the ingredients (except for the coconut flour) over low heat.
Whisk until smooth. Then, off heat, stir in the coconut flour.
Transfer the mixture to a wax paper-lined pan. Freeze for 90 minutes, then cut into squares.
A different texture than traditional fudge
This fudge is made without the large amounts of powdered sugar which most fudge recipes contain because it helps stabilize and thicken the mixture.
Instead, I use coconut flour to thicken it. Even with the coconut flour, it is softer than traditional recipes. So depending on what texture you prefer, you might want to keep this fudge in the freezer.
At the very least, you should keep it in the fridge, in an airtight container. Take it out right before you plan to eat it. It will soften quickly.
Right after making it and cutting it into squares, this keto peanut butter fudge is a bit soft. It actually improves the next day, after an overnight rest in the fridge. It keeps well for at least a week, but I doubt it would last you that long.
Is peanut butter healthy?
Aflatoxin levels in American peanuts are monitored by the USDA, and peanuts are very nutritious. Whether to eat peanuts and peanut butter or not is ultimately your decision, of course.
What sweetener to use in this keto peanut butter fudge?
I use stevia glycerite because it’s my favorite sweetener. I believe that stevia is safe. And although many people object to its taste, the glycerite formulation greatly minimizes the bitter aftertaste.
If you prefer, you could try replacing the stevia with your favorite sweetener. The amount of stevia I use equals about 3 tablespoons of sugar. It’s probably best to use a powdered sweetener to keep the texture smooth.
More fudge recipes that you might enjoy
If you love fudge (who doesn’t?), try this rich and creamy chocolate peanut butter fudge. It’s just as irresistible as this one and just as easy to make. And this smooth and creamy tahini fudge is wonderful too. It reminds me of one of my favorite childhood candies, halva.
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Keto Peanut Butter Fudge
INGREDIENTS
- 1 ½ cups natural creamy peanut butter (24 tablespoons, 384g)
- 6 tablespoons unsalted butter
- 1 teaspoon vanilla extract
- 1/2 teaspoon sea salt
- 1/2 teaspoon stevia glycerite (equals about 3 tablespoons of sugar)
- 2 tablespoons coconut flour
INSTRUCTIONS
- Line a square 8-inch pan with wax paper.
- In a medium saucepan over low heat, add the peanut butter, butter, vanilla, salt and stevia.
- Whisk with a fork until smooth.
- Remove from heat and whisk in the coconut flour.
- Using a rubber spatula, pour the mixture into the prepared pan.
- Cover and place in the freezer until set, at least 1 hour and preferably 90 minutes.
- Cut into 25 squares and serve. Keep leftovers in the fridge or in the freezer, in an airtight container.
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Vered DeLeeuw, LL.M., has been following a healthy real-food diet and blogging about it since 2011. She has taken 
