Peanut Butter Microwave Fudge

Peanut Butter Microwave Fudge is a quick and easy treat to make, requiring only a few simple ingredients and a microwave. This recipe is perfect for satisfying a sweet tooth or for sharing with friends and family. Here’s a detailed guide to making this delicious fudge:


  • 1 box (about 1 lb) confectioners’ sugar (powdered sugar)
  • 2 tablespoons unsalted butter
  • 1/3 cup milk
  • 1 cup peanut butter (creamy or chunky based on preference)


  • Preparation: Start by lining an 8×8 inch baking pan with aluminum foil or parchment paper. This helps in easy removal and cutting of the fudge once it’s set.
  • Combine Basic Ingredients: In a large microwave-safe mixing bowl, add the confectioners’ sugar, butter, and milk. Do not mix them at this stage.
  • First Microwave Phase: Place the bowl in the microwave and cook the mixture on high for 2 minutes. The butter will melt and the mixture will start to heat up, allowing the sugar to begin dissolving.

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  • Mixing After Microwaving: Carefully remove the bowl from the microwave (it will be hot) and use a hand mixer to beat the ingredients together until combined. This step ensures that the sugar is evenly distributed throughout the mixture.
  • Second Microwave Phase: Return the bowl to the microwave and cook for an additional 30 seconds on high. This extra time helps the mixture to meld together properly.
  • Add Peanut Butter: Remove the bowl from the microwave again. Add the peanut butter to the hot mixture. You can choose creamy or chunky peanut butter depending on the texture you prefer in your fudge.
  • Final Mixing: Mix by hand or continue to use the mixer until the peanut butter is fully incorporated and the mixture is smooth.
  • Spread in Pan: Pour the fudge mixture into the prepared 8×8 inch pan. Spread it evenly with a spatula. The mixture will be thick and somewhat sticky.
  • Cooling and Setting: Allow the fudge to cool at room temperature. This could take a few hours. The fudge needs to set until it’s firm to the touch.
  • Cutting the Fudge: Once the fudge is set and cooled, lift it out of the pan using the edges of the foil or parchment paper. Place it on a cutting board and cut it into small squares or desired shapes.
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  • Consistency: If the fudge mixture seems too thick or dry after adding peanut butter, you can microwave it for an additional 10-15 seconds.
  • Flavor Variations: For an extra flavor, consider adding a teaspoon of vanilla extract or a pinch of salt to the mixture.
  • Storing: Keep the fudge in an airtight container at room temperature or in the refrigerator for longer storage.

Enjoy your homemade Peanut Butter Microwave Fudge! This recipe is a delightful way to create a sweet treat with minimal effort and time.

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