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4-Ingredient Peanut Butter Fudge- So Good!

Peanut Butter Fudge

This creamy sweet and salty peanut butter fudge tastes absolutely incredible.

Prep Time 10 minutes
Total Time 10 minutes
YIELD 40 small squares
Author Stephanie @ Pretty.Simple.Sweet.


  • 1 cup (227g) unsalted butter
  • 1 cup (250g) creamy peanut butter
  • 3 and ½ cups (400g) powdered sugar, sifted
  • 1 teaspoon pure vanilla extract
  • pinch of salt , optional


  1. Line a 8x8-inch pan with aluminum foil. Set aside.

  2. Place butter and peanut butter in a medium heatproof bowl, and microwave in 1-minute intervals, stirring the mixture in between each interval, until melted and completely smooth. Add vanilla and salt if using.
  3. Add powdered sugar and stir with a wooden spoon. The mixture will become thick. Press into the prepared pan and place in the fridge for 2-3 hours until completely set. cut into 40-50 squares, or any size you want.

  4. Store fudge in an airtight container in the fridge for up to a week.