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Squares of old-fashioned peanut butter fudge dusted with powdered sugar, neatly arranged on a round wooden serving board.

Old Fashioned Peanut Butter Fudge

Charlotte
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Prep Time 10 minutes
Cook Time 15 minutes
Cooling Time 1 hour
Total Time 1 hour 25 minutes
Servings 36 Small Squares
Calories 120 kcal

Ingredients
  

  • 2 cups granulated sugar
  • ½ cup whole milk (or evaporated milk for a richer flavor)
  • ½ cup unsalted butter, cut into pieces
  • 1 cup creamy peanut butter (or crunchy for added texture)
  • 1 tsp pure vanilla extract

Optional Add-ins:

  • Chopped peanuts (for crunch)
  • Flaky sea salt (for a sweet-salty finish)
  • Chocolate chips (for a peanut butter-chocolate combo)

Instructions
 

Prepare the Pan

  • Line an 8x8-inch or 9x9-inch baking dish with parchment paper or wax paper, leaving some overhang for easy removal later.
  • Lightly grease the paper with butter or non-stick spray to prevent sticking.

Make the Fudge Base

  • In a medium, heavy-bottomed saucepan, combine: 2 cups granulated sugar, ½ cup milk, and ½ cup unsalted butter
  • Place the saucepan over medium heat and stir continuously until the butter is melted and the sugar is fully dissolved.
  • Bring the mixture to a gentle boil, stirring frequently to prevent burning.
  • Continue boiling until the mixture reaches the soft-ball stage—about 234°F (112°C) on a candy thermometer. If you don’t have a thermometer, drop a bit of the mixture into cold water—it should form a soft, pliable ball when ready.

Add Peanut Butter & Flavor

  • Remove the pan from heat immediately after reaching the desired temperature.
  • Quickly stir in: 1 cup peanut butter, and 1 teaspoon vanilla extract
  • Stir vigorously until the mixture is smooth, thick, and glossy.

Pour & Set

  • Quickly pour the hot fudge mixture into the prepared pan.
  • Use a spatula to spread it evenly, smoothing the top.
  • Let the fudge cool at room temperature for 1–2 hours or refrigerate for 30–45 minutes until fully set.

Slice & Serve

  • Once the fudge is firm, lift it out of the pan using the parchment paper.
  • Cut into small squares with a sharp knife.
  • Serve and enjoy this creamy, nostalgic treat!

Nutrition

Calories: 120kcal
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