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5.0 from 45 votes

Keto Peanut Butter Fudge

Peanut butter lovers are in for a treat with this suuuper creamy keto peanut butter fudge! It's the perfect low-carb snack for those moments when you're craving a sweet little something. Easy and quick to make and crazy delicious.

Prep Time
5 mins
Freezer
40 mins
Total Time
45 mins
Servings: 16
Calories: 139 kcal
Course: Dessert
Cuisine: British

Ingredients

  • 1 cup / 260g peanut butter
  • ⅓ cup / 60g butter unsalted
  • ⅓ cup / 40g powdered sweetener  Allulose is best, but any powdered sweetener works in the recipe.
  • ½ cup / 35g whey protein powder
  • 1 teaspoon vanilla extract optional
  • pinch of salt if your peanut butter is unsalted

Instructions

    Cup of Yum
  1. Melt the butter and stir all ingredients together with a fork.
  2. Line a 5x7 inch tray with parchment and pour in the mix.
  3. Freeze 40 minutes or until set.
  4. 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 actually larger than 5x7 inches. I simply used a scrunched-up piece of aluminium foil and used it as a barrier underneath the parchment paper. This way, I managed to only use ⅔ of my tray without the fudge spreading.
  • This fudge is ready to eat straight from the freezer. If you wish, let it sit on the counter for 5 minutes to soften. 
  • Outside the US you can order allulose via iherb.com.

Nutrition Information

Serving 20g Calories 139kcal (7%) Total Carbohydrates 1.9g Protein 6.9g (14%) Fat 11.3g (17%) Saturated Fat 3.7g (19%) Fiber 1.4g (6%) Sugar 1g (2%)

Nutrition Facts

Serving: 16Serving

Amount Per Serving

Calories 139

% Daily Value*

Serving 20g
Calories 139kcal 7%
Total Carbohydrates 1.9g 1%
Protein 6.9g 14%
Fat 11.3g 17%
Saturated Fat 3.7g 19%
Fiber 1.4g 6%
Sugar 1g 2%

* Percent Daily Values are based on a 2,000 calorie diet.