If someone were to ask me my favorite food in the entire world, I would say this low carb peanut butter fudge.
Which I know, makes me sounds crazy. And I know, may seem unbelievable because it’s one of those “low carb recipes”, or a selling technique to get you to try this recipe.
But it’s not. And I’m serious. I didn’t even know how much I liked fudge until I cut myself a slice of this! Perfectly sweetened peanut butter with a consistency as fudge-like as any traditional recipe. This stuff is where it’s at, and I can’t even wait to hear what you think about it!
low carb fudge ingredient list
As you know, a slice of your favorite not so low carb fudge from Grandma is packed with sugar.
From white sugar, to cow’s milk, from chocolate to whatever is sprinkled on top—sorry crew, you wont find those ingredients on a low carb shopping list. But I have great news, there are plenty of low carb foods we can sub in—you’ll hardly notice a difference:
Low Carb Milk
I know, I was so surprised to learn there are carbs in milk too! Thankfully there are ton of low carb milk substitutes we can use, including heavy cream. A little extra cream-y texture and a lot less carbs, I’ll take it!
Low Carb Peanut Butter
I’m not here to tell you crunchy or creamy—that’s a personal preference that runs so deep, I’m almost afraid to tell you what I use! But I am here to tell you how to find a low carb peanut butter, because…
Is peanut butter high in carbohydrates?
Not all peanut butters are low in carbs, as many brands add sugar to the product to sweeten it up. If you’re looking for a low carb peanut butter, read the labels carefully. I buy peanut butters made of peanuts and maybe salt or a little oil.
Pst, if you’re looking for more low carb peanut butter recipes, then check back soon! I’m working up keto peanut butter recipes for days—low carb peanut butter cups, low carb peanut butter balls and low carb peanut butter cookies!
Anyway, back to the fudge. What’s fudge without a little something sweet in it?
The secret to sugar free fudge
Wow, this ingredient, just wow.
When I first started eating low carb, the only sugar alternatives in my arsenal were aspartame (no thank you) and stevia (not my favorite). I’d heard of people making sugar free peanut butter fudge recipe Splenda based, but this wasn’t an option for me.
I thought making a sugar free fudge was an impossible feat and sticking to a low carb food list meant my sweet tooth would live a sad and lonely life.
Then, I discovered:
Powdered Sugar Substitute
The best powdered sugar substitute on the planet: Swerve Confectioners Sugar. It’s made from erythritol—a sugar alcohol that, get this, doesn’t upset your stomach! It’s hard to find in stores, so I usually purchase a big ole bag from Amazon. Can’t wait to hear what you think!
If you aren’t familiar with erythritol and would like to learn more, check out this video:
Low Carb Peanut Butter Fudge Toppings, Additions and Swaps
I’ve got to say, and sorry to keep bragging about this recipe, but it is so dang good, I don’t think it needs any toppings! But, if you’d like to make it a little more…something…then here are a few ideas I’ve got for you:
low carb protein powder
When testing out this recipe, I tried tossing in some vanilla flavored low carb protein powder to balance out the high fat content of this fudge. I found that adding ¼ cup to the recipe didn’t change the texture at all.
If you’re using a sweetened protein powder (instead of unflavored whey protein powder), skip the vanilla and add ¼ cup less sweetener.
I like the addition of protein powder, but think it’s only necessary if you’d like to add protein. I’d recommend using an unflavored whey protein powder, as the sweetener in flavored powder may detract from the deliciousness of the low carb peanut butter fudge!
low carb nuts
If you’re like me, a little crunch is necessary in any good fudge recipe. Here’s where I admit that I use crunchy peanut butter in this recipe. Another option is to top your low carb peanut butter fudge with some chopped low carb nuts! Peanuts are a great choice, as are pecans or walnuts.
low carb chocolate
Oh ya, you read that right, low carb chocolate is a thing. And it’s delicious! If I top this low carb peanut butter fudge with anything, it’s shavings of my low carb chocolate bars. Because who doesn’t love the peanut butter-chocolate combo??
cream cheese fudge
I’ve received many requests for cream cheese fudge, so I feel I must be honest with you and tell you that low carb fudge recipe cream cheese is not something that would pass these lips! Please don’t hate me!
Don’t worry, I’m still working one up, I have a few taste testers in my house who don’t mind it. Someday my friends…
low carb cream cheese fudge
Low carb cream cheese fudge is such a popular option because guess what crew?? There are hardly any carbs in cheese, and cream cheese is about as low carb cheese as they come! Plus it adds a nice amount of fat and a creamy consistency. Low carb cream cheese peanut butter fudge anyone?
low carb chocolate fudge
If you’re more of a chocolate-kinda-gal (or guy), have no fear, my low carb chocolate fudge recipe is here—although, I’m thinking my next recipe should be a combo of these two: swirled low carb chocolate peanut butter fudge, what do you think??
How to store this keto fudge
Because I know you’re wondering how you’re ever going to stop sneak snacking on this keto fudge, I thought I’d share with you how I store this. The goal is to make it slightly less accessible than it is in the fridge!
So, I freeze it.
It’s hard to devour when frozen, and you won’t have to worry about your beloved low carb peanut butter fudge going to waste! To do this, I allow the fudge to cool completely in the fridge. Then cut it into decent sized squares (I got 16 out of this recipe), have one or two (someone’s got to test it), and place it in a large ziplock and into the freezer.
Out-of-sight out-of-mind may not work with this recipe, but, freezing it does help me to cut down my sneak snacking.
low carb fudge recipe
If you enjoy this low carb fudge recipe half as much as I do, then you’re going to be stoked, because I’ll tell you what. I. Can’t. Get. Enough! The perfect end to any of your low carb meals, a low carb peanut butter fudge atkins followers would enjoy!
Let me know what you think in the comments below, did you add any special toppings? Is this your one of your favorite low carb desserts too? Enjoy!
Low Carb Peanut Butter Fudge
- ½ Cup Butter
- ¼ Cup Whipping Cream
- 1 Cup Peanut Butter , creamy or crunchy
- 1 Cup Powdered Erythritol , I use Swerve
Add the whipping cream and butter to a medium saucepan. Cook over a low heat until fully melted and combined.
Stir in the peanut butter until combined.
Remove from heat. Using a whisk stir in sweetener (it’s easiest to stir in 1/4 cup at a time).
Pour the mixture into an 8x8" baking dish lined with parchment paper. Let the fudge cool by placing dish into the fridge.
Once set, remove from the fridge and cut into 16 squares. Enjoy!!
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Nutrition information will vary based on the specific products. To be safe, check the nutrition facts labels of your products. Optional object listed above have been left out of nutritional data.