Never Fail Peanut Butter Fudge*

Peanut Butter Never Fail Fudge Recipe
Serving Size:


  • 7½ ounce jar Marshmallow Fluff*
  • 2½ cups sugar
  • ¾ tsp salt
  • ½ stick butter or margarine
  • 5 oz evaporated milk
  • ¾ tsp vanilla
  • 2 cups Reese’s® Peanut Butter Morsels
  • ½ cup chopped walnuts (optional)


  1. Grease a 9-inch square baking pan; set aside. In a large saucepan, combine first five (5) ingredients. Stir over low heat until blended. Increase heat to medium and bring to a full-rolling boil being careful not to mistake escaping air bubbles for boiling. Boil slowly, stirring constantly, 3½ – 5 minutes to the softball stage*. Remove from heat, stir in Reese’s® Peanut Butter Morsels until melted. Stir in vanilla. Add nuts. Turn into greased pan and cool. Makes 2½ pounds.
  2. *The softball stage is a test to see if the fudge is cooked to the proper stage. Before you start cooking, fill a small dish with ice water and set aside. After you have brought the recipe to a full boil for 3½ minutes, dribble a few drops of the mixture into the ice water from a wooden spoon. After it cools in the water (about 10 seconds), you should be able to roll it into small ball with your fingertips. If you put it in your mouth, it will be slightly chewy. If it passes these tests, you are done and should remove the mixture from heat and add the remaining ingredients. Otherwise, cook for another 30 seconds and try the test again. Most of the time, cooking time will not exceed 5 minutes.

Hint: As with all fudge recipes, cooking time will vary depending on factors such as humidity, altitude, and cooktop temperature.

*(All trademarks and copyrights are the property of their respective owners.)

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