Sugar-Free Peanut Butter Fudge

So you want fudge—but peanut butter style, and sugar-free? Bold choice. Good news: Sugar-Free Peanut Butter Fudge exists, and it’s smooth, creamy, and dangerously easy to devour.

It’s rich, nutty, and melts in your mouth without the sugar overload. One bite and you’ll be convinced that sugar-free desserts can be actually satisfying. Bonus: no complicated candy thermometer tricks required—just pure peanut buttery bliss.

Why This Recipe is Awesome

First, it’s super simple. Melt, stir, pour, chill. Done. No mysterious candy stages or stress-induced kitchen disasters.

Second, the texture is silky yet firm. Soft enough to bite, but solid enough to slice neatly—fudge goals achieved.

Third, it’s perfectly portioned. Slice into small squares and stash them for guilt-free snacking.

And finally, it’s customizable. Chocolate swirl? Nuts? Sea salt sprinkle? Go wild. This fudge is your canvas.

Ingredients You’ll Need

Minimal ingredients, maximum peanut butter impact.

• Natural peanut butter – Creamy and unsweetened.
• Butter – Adds richness and smooth texture.
• Powdered keto sweetener – Erythritol or monk fruit blend. Powdered is key for smoothness.
• Vanilla extract – Flavor enhancer.
• Pinch of salt – Brings out the peanut flavor.
• Optional add-ins: Sugar-free chocolate chips, chopped peanuts, or a sprinkle of sea salt.

Step-by-Step Instructions

1. Line a pan.
   Use parchment paper in an 8×8-inch pan for easy removal.
2. Melt butter and peanut butter.
   In a medium saucepan over low heat, stir until smooth and combined.
3. Add sweetener and vanilla.
   Mix thoroughly until the sweetener dissolves. Taste and adjust sweetness if needed.
4. Optional add-ins.
   Fold in chocolate chips or chopped nuts if desired.
5. Pour into the pan.
   Smooth the top with a spatula.
6. Chill until firm.
   Refrigerate at least 2 hours or until set.
7. Slice and serve.
   Use a sharp knife for clean squares and enjoy!

Common Mistakes to Avoid

• Overheating the mixture.
  Peanut butter + butter can separate if too hot. Low and slow wins.
• Using granulated sweetener.
  Powdered sweetener is essential for smooth, creamy fudge.
• Skipping parchment paper.
  Sticky fudge = regret.
• Eating too soon.
  Let it chill fully, or it won’t slice properly.
• Using peanut butter with added sugar.
  Totally defeats the sugar-free goal. Check labels.

Alternatives & Substitutions

• Almond butter version:
  Swap peanut butter for almond butter for a slightly different flavor.
• Chocolate swirl:
  Melt sugar-free chocolate and swirl before chilling.
• Dairy-free:
  Use coconut oil instead of butter; texture slightly different but still creamy.
• Crunch factor:
  Add chopped roasted peanuts or almond pieces.
• Extra sweet:
  Add a bit more sweetener to taste, but don’t go crazy—peanut butter is naturally sweet.

FAQ (Frequently Asked Questions)

Is this fudge keto-friendly?
Yes—low-carb, sugar-free, and peanut butter based.

Can I use crunchy peanut butter?
Yes, but the texture will be chunkier.

How long does it last?
Refrigerated in an airtight container, 1–2 weeks.

Can I freeze it?
Yes—wrap squares individually for easy snacking.

Why is my fudge crumbly?
Too much sweetener or not enough butter. Adjust ratios next time.

Can I double the recipe?
Absolutely—just use a larger pan and keep thickness consistent.

Final Thoughts

This Sugar-Free Peanut Butter Fudge proves that sugar-free desserts can be rich, creamy, and indulgent. Perfect for snack time, dessert, or just a little “treat yourself” moment.

Make a batch, chill, slice, and savor each square like a peanut buttery slice of heaven.