Easy Peanut Butter Fudge

Make this easy peanut butter fudge in just minutes! Creamy, sweet, and made with four simple ingredients. It' a perfect treat for holidays, gifting, or when you need a quick no-bake treat.

Get your sweet tooth ready for this easy microwave peanut butter fudge recipe! It's perfect for when those cravings hit! Rich, creamy, and melt-in-your-mouth delicious, this one’s a win for chilly harvest evenings, holiday celebrations or sweet treats any time of year.

It's quick, simple, and irresistibly delicious!

If fudge is your love language, be sure to check out rocky road fudge, too!

Ingredients

You'll only need four simple ingredients to make this peanut butter fudge recipe.

• unsalted butter - this is the traditional pick for fudge, but you can opt for coconut oil as an alternative. It will still have a similar texture and rich flavor.
• peanut butter - pick whatever brand of peanut butter is your favorite. I like the smooth texture of creamy peanut butter but you can use crunchy peanut butter if you want a different texture. If you have extra peanut butter, try making these chocolate peanut butter brownies.
• vanilla extract
• powdered sugar

How to make peanut butter fudge

1. In a microwave-safe bowl, combine the butter and peanut butter. Microwave in 30-second intervals, stirring between each, until the mixture is smooth and fully combined.
   
   Add the vanilla extract and stir until incorporated.

2. Add the powdered sugar to a large bowl. Pour in the peanut butter mixture.
   
   Stir together until the mixture is smooth and creamy.

3. Line an 8×8″ square pan with aluminum foil or parchment paper, leaving a bit of overhang so you can lift the fudge out easily.
   
   Spread the mixture into the prepared pan, smoothing the top with an offset spatula or the back of a spoon. You can use the back of the spoon to create a decorative swirl pattern over the surface.

4. Refrigerate for 2 hours or until completely cool and set.
   
   Tip: Use the foil/paper overhang to lift the fudge out of the pan, then cut into squares. I like to start by trimming the edges, and yes — it’s totally allowed (and encouraged) to nibble those edge pieces as a “taste test.”

For the cleanest slices, run your knife under hot water, wipe dry, then cut — repeat between cuts if needed.

Storage

Store leftovers in an airtight container at room temperature for up to a week.

If you’d like to keep fudge fresh longer: wrap tightly in plastic wrap (to avoid drying out or absorbing fridge odours) and refrigerate. Before serving refrigerated fudge, allow it to sit at room temperature for 5–10 minutes so it softens just a bit.

More Easy No Bake Treats

If you make this easy microwave peanut butter fudge recipe, leave a recipe comment or review below. I'd love to hear from you!

Recipe

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Easy Microwave Peanut Butter Fudge

Deanne Frieders

If you're looking for a dessert recipe that's big on flavor and easy on effort, try making this Easy Peanut Butter Fudge recipe in the microwave!

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4.50 from 2 votes

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Prep Time 10 minutes mins

Chill Time 2 hours hrs

Total Time 2 hours hrs 10 minutes mins

Course Dessert Recipes

Cuisine American

Servings 36 small squares

Calories 137 kcal

Ingredients

  

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• 16 Tablespoons unsalted butter (2 sticks)
• 1 cup creamy peanut butter
• 1 teaspoon vanilla extract
• 1 pound powdered sugar

Instructions

 

• Combine 16 Tablespoons unsalted butterer and 1 cup creamy peanut butter in microwave-safe bowl; microwave in 30-sec intervals, stirring until smooth.

  Stir in 1 teaspoon vanilla extract.
• In a large bowl, add 1 pound powdered sugar; pour in peanut butter mixture and stir until creamy.
• Line an 8×8″ pan with foil/parchment; spread mixture in, smoothing top. Create swirl if desired.
• Refrigerate for 2 hours or until set. Lift out using the overhang, cut into squares, and serve.

Notes

Stovetop version: For a stovetop version combine the peanut butter and butter in a medium saucepan on the stove over medium low heat and stir until completely melted and combined in Step 1.

Cutting Tips: Using a sharp knife, cut the fudge into 1-inch pieces. Small squares are perfect for this rich fudge; a little goes a long way!

Storage: Store leftovers in an air-tight container at room temperature for up to a week. For longer storage, you can refrigerate the fudge. Make sure it's it's tightly wrapped in plastic wrap to prevent it from drying out or absorbing odors from the refrigerator.

Nutrition

Serving: 1piece | Calories: 137kcal | Carbohydrates: 14g | Protein: 2g | Fat: 9g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.2g | Cholesterol: 13mg | Sodium: 32mg | Potassium: 42mg | Fiber: 0.3g | Sugar: 13g | Vitamin A: 155IU | Calcium: 5mg | Iron: 0.1mg

This Farm Girl Cooks is not a dietician or nutritionist, and any nutritional information shared is an estimate. Calories and other nutritional values vary depending on which brands were used.

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