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A stack of creamy peanut butter fudge squares topped with flaky sea salt on a rustic wooden board.

3 Ingredient Peanut Butter Fudge

Charlotte
A quick, easy, and creamy peanut butter fudge recipe made with just 3 ingredients! No baking required—perfect for holidays, gifting, or satisfying a sweet craving.
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Prep Time 10 minutes
Chilling Time 2 hours
Total Time 2 hours 10 minutes
Course Dessert
Cuisine American
Servings 16 Squares
Calories 150 kcal

Ingredients
  

Core Ingredients:

  • 1 cup creamy peanut butter (or chunky for texture)
  • 1 cup sweetened condensed milk (or 2 cups powdered sugar for a traditional version)
  • 2 tbsp unsalted butter

Optional Add-Ins:

  • 1 tsp vanilla extract (for extra flavor)
  • ½ cup chocolate chips (for a chocolate swirl)
  • 1 tsp sea salt (for a salty-sweet contrast)
  • ¼ cup crushed nuts (for added crunch)

Instructions
 

Prepare the Baking Dish:

  • Line an 8x8-inch baking dish with parchment paper. Lightly grease the pan if using powdered sugar.

Melt and Mix:

  • In a microwave-safe bowl, melt the butter in 20-second intervals, stirring between each.
  • Add peanut butter and sweetened condensed milk (or powdered sugar). Stir until smooth and fully combined.

Pour and Set:

  • Transfer the mixture into the prepared pan. Smooth the top with a spatula.
  • Optional: Sprinkle sea salt, chocolate chips, or crushed nuts on top.

Chill and Slice:

  • Refrigerate for at least 2 hours, or until firm.
  • Remove from the pan and slice into squares.

Notes

  • Pro Tip: Use a warm knife (dipped in hot water and wiped dry) for clean slices.
  • Storage:
    • Room Temperature: Store in an airtight container for up to 5 days.
    • Refrigerator: Keeps fresh for up to 2 weeks.
    • Freezer: Wrap individual squares and freeze for up to 3 months.
  • Customization: Add chocolate swirls, crushed nuts, or a caramel drizzle for extra flavor.

Nutrition

Calories: 150kcalCarbohydrates: 15gProtein: 4gFat: 9gSaturated Fat: 3gCholesterol: 5mgSodium: 80mgFiber: 1gSugar: 13g
Keyword Peanut Butter Fudge
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