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Keto Peanut Butter Fudge

This is the only keto peanut butter fudge recipe you'll need! Using only 5 ingredients and ready in under an hour, it's the perfect sweet keto treat.
Course Dessert
Cuisine American
Keyword Keto Peanut Butter Fudge
Prep Time 5 minutes
Cook Time 0 minutes
Cooling Time 30 minutes
Total Time 35 minutes
Servings 24
Calories 123kcal



  • Line an 8x8 inch (20cm x 20cm) square pan with parchment paper. Make sure the paper extends an inch up the sides of the pan.
  • Heat a small pot over medium-low heat. Once the pot is hot, add the peanut butter, butter, and vanilla. Stir until the mixture has melted and is well mixed together and completely smooth. 
  • Remove the pot from the heat and add in the powdered stevia. Mix well until no lumps remain. 
  • Pour the mixture into the prepared square pan and top with crushed peanuts if desired.
  • Transfer to the freezer to chill for half an hour before cutting the peanut butter fudge into squares. They are very rich so keep the squares on the smaller side. 
  • Store in an airtight container in the refrigerator and snack on when desired! 


You can store your fudge for up to 7 days in the refrigerator in an airtight container. 
For long-term storage (more than 1 week), you can store your fudge in the freezer. Use an airtight container to avoid any freezer burn affecting the taste of your fudge. You can store it this way for up to 6 weeks.


Calories: 123kcal | Carbohydrates: 3.8g | Protein: 4.3g | Fat: 11g | Saturated Fat: 2.6g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 0.9g | Trans Fat: 0g | Cholesterol: 6.6mg | Sodium: 0.3mg | Potassium: 359.5mg | Fiber: 1.6g | Sugar: 1.1g | Net carbs: 2.2g