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Peanut Butter Fudge

This is a straightforward recipe for classic peanut butter fudge. It involves melting butter and peanut butter in the microwave, then vigorously mixing in vanilla and powdered sugar. The mixture is then pressed into a prepared pan, chilled until firm, and cut into bite-sized pieces. It's an easy, no-bake dessert, yielding sweet, rich, and creamy fudge perfect for sharing or a quick treat.
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Prep Time 10 minutes
Cook Time 4 minutes
Total Time 2 hours 14 minutes
Servings: 64 people
Course: Snack
Cuisine: American
Calories: 4126.3
Ingredients Equipment Method Notes

Ingredients
  

Main
  • 8 ounces unsalted butter plus more for greasing pan
  • 1 cup smooth peanut butter
  • 1 teaspoon vanilla extract
  • 1 pound powdered sugar

Equipment

  • 1 4-quart Microwave-safe Bowl
  • 1 Wooden Spoon or Sturdy Spatula
  • 1 8x8-inch Baking Pan
  • 1 Roll of Parchment Paper
  • 1 Measuring Cups and Spoons

Method
 

  1. Combine the butter and peanut butter in a 4-quart microwave-safe bowl and cover with plastic wrap. Microwave for 2 minutes on high. Stir and microwave on high for 2 more minutes. (Use caution when removing this mixture from the microwave, it will be very hot.) Add the vanilla and powdered sugar to the peanut butter mixture and stir to combine with a wooden spoon. The mixture will become hard to stir and lose its sheen. Spread into a buttered 8 by 8-inch pan lined with parchment paper. Fold the excess parchment paper so it covers the surface of the fudge and refrigerate until cool, about 2 hours. Cut into 1-inch pieces and store in an airtight container at room temperature for up to a week.

Notes

Achieving the right consistency for this fudge is crucial. Ensure your butter and peanut butter are fully melted and homogenous before adding the powdered sugar. The mixture will become very stiff quickly, so a sturdy wooden spoon or spatula is essential for thorough mixing. Be mindful of the high heat after microwaving. For an enhanced flavor profile, consider adding a tiny pinch of sea salt (fleur de sel) to balance the sweetness, or swap a portion of smooth peanut butter for a crunchy variety for textural interest. You can also fold in mini chocolate chips or finely chopped nuts (like roasted peanuts or pecans) before spreading into the pan for added complexity. Proper cooling in the refrigerator is key for clean cuts and the desired firm texture.