Easy peanut butter fudge is smooth adn creamy and only uses a few simple ingredients.

Peanut Butter Fudge

This easy, microwave peanut butter fudge is super creamy and filled with big peanut butter flavor. It only takes 5 minutes to make, then gets chilled in the fridge or freezer. 
Course Dessert
Cuisine American
Keyword Fudge, Peanut Butter Fudge, Peanut Butter Recipes
Prep Time 10 minutes
Chill 1 hour
Total Time 10 minutes
Servings 36 pieces
Calories 131kcal
Author Fiona Dowling


  • 1 cup unsalted butter
  • 1 cup peanut butter
  • 1/4 teaspoon salt
  • 2 teaspoons vanilla
  • 4 cups powdered sugar , sifted


  • Line an 8x8 or 9x9 inch pan with parchment paper leaving an overhang on each side. 
  • In a large microwave-safe bowl add the butter and peanut butter.
  • Microwave for 1-minute bursts, stirring between each until melted. 
  • Add in the salt and vanilla extract. Then stir in the powdered sugar 1 cup at a time. 
  • Pour/spoon the batter into your lined pan and smooth the top using the flat edge of a knife or a spatula. 
  • Wrap tightly and refrigerate until firm. Once firm, cut into small squares.


*Store leftovers in an airtight container in the fridge.
**Fudge can be wrapped tightly and frozen. Thaw in the fridge. 


Calories: 131kcal