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+ servings
5 from 2 votes
Peanut butter fudge cut into squares and arranged on a white plate.
Easy Peanut Butter Fudge
Prep Time
1 min
Cook Time
4 mins
Total Time
5 mins

This easy peanut butter fudge recipe is made in just 5 minutes with only 4 simple ingredients! Creamy, rich, and so peanut buttery!

Course: Dessert, Snack
Cuisine: American
Keyword: easy peanut butter fudge, how to make peanut butter fudge, peanut butter fudge, peanut butter fudge recipe
Servings: 64 1-inch squares
Calories: 90 kcal
  1. Lightly mist an 8x8-inch pan with non-stick spray, and line with parchment.

  2. Place the peanut butter, butter, and salt in a large mixing bowl, cover it with a paper towel, and microwave on 100% power for 2 minutes.

  3. Stir the mixture until smooth, re-cover, and microwave for another 2 minutes.

  4. Beat in the powdered sugar, 1 cup at a time, until the fudge is smooth and all the sugar is fully incorporated (it will be very stiff).

  5. Working quickly while the fudge is still warm, transfer it to the prepared pan, pressing it into an even layer.

  6. Sprinkle with chopped peanuts, if using.

  7. Allow to fully cool and set up, then cut into 1-inch squares.

Recipe Notes

*Use regular sweetened & salted peanut butter (creamy or crunchy); natural peanut butter may be too oily to work properly.  I prefer this brand.

Nutrition Facts
Easy Peanut Butter Fudge
Amount Per Serving
Calories 90 Calories from Fat 54
% Daily Value*
Fat 6g9%
Saturated Fat 2g13%
Cholesterol 8mg3%
Sodium 83mg4%
Potassium 40mg1%
Carbohydrates 9g3%
Fiber 1g4%
Sugar 8g9%
Protein 2g4%
Vitamin A 89IU2%
Calcium 3mg0%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.