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Peanut Butter Fudge

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5 from 22 reviews

A four-ingredient easy peanut butter fudge recipe with a classic peanut butter flavor is made super easy in the microwave in less than 10 minutes prep time, making it ideal for the holiday season.  

Ingredients

  • 1 cup unsalted butter
  • 1 cup creamy peanut butter
  • 1 teaspoon vanilla extract
  • 1 lb. powdered sugar (also known as confectioners’ sugar)

Instructions

  1. Line an 8 x 8-inch pan with aluminum foil sprayed lightly with nonstick baking spray. Leave an overhang on opposite sides. You will use this overhang to help remove the fudge from the pan.
  2. In a large microwavable safe bowl add butter and peanut butter. Microwave on high for 2 minutes. Stir and microwave for 1-minute intervals stirring between each minute; until melted and smooth. Stir in vanilla. Stir in powdered sugar in about three parts; working quickly and stirring continuously.
  3. Spoon into the prepared pan and using a small offset spatula smooth the top of the fudge. Cover and refrigerate for at least two hours or until fully set. Using the overhang lift fudge out of the pan and place on a cutting board or plate. Peel off the aluminum foil and cut it into pieces.

Notes

  • Use a regular commercial peanut butter like Skippy or Jif. All natural peanut butter separates too easily and they do not work well in this fudge recipe. 
  • The aluminum foil or parchment should hang over the sides to make it easy to remove the fudge from the pan
  • Spray the aluminum foil or parchment paper lightly with nonstick cooking spray for ease of removal.
  • Store the fudge in an airtight container on your counter for up to two weeks or in your fridge for up to three weeks.
  • Place in a freezer bag set inside of a sturdy freezer container and freeze for up to 3 months. 

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