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2 Ingredient Peanut Butter Fudge Recipe

Published: Jul 27, 2026 by Eliza · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.3 from 10 reviews

If you’re craving a sweet treat that’s incredibly simple yet delightfully rich, the 2 Ingredient Peanut Butter Fudge Recipe is going to become your new go-to. Imagine creamy peanut butter melded perfectly with smooth vanilla frosting to create a fudge that is irresistibly luscious and melts in your mouth. This recipe takes just minutes to whip up, yet delivers a decadent dessert that feels homemade and special. Whether it’s for a last-minute dessert or a thoughtful gift, this fudge hits all the right notes without fuss or fancy ingredients.

Ingredients You'll Need

A close-up view of a smooth, creamy light beige batter being poured into a rectangular baking pan lined with white parchment paper. The batter forms even, glossy layers with visible ripples where the batter is flowing and spreading. A wooden stick is gently stirring the batter in the center, creating a gentle swirl pattern in the thick liquid. The pan is set on a white marbled surface with soft natural lighting highlighting the creamy texture and shine of the batter. photo taken with an iphone --ar 4:5 --v 7

This 2 Ingredient Peanut Butter Fudge Recipe is beautifully straightforward, relying on just two essentials that pack a flavorful punch. Each item plays a crucial role: peanut butter lends creaminess and that beloved nutty taste, while vanilla frosting introduces sweetness and silky texture to complete the fudge's luscious body.

  • 1 ½ cups peanut butter: Use smooth peanut butter for creamy texture and perfectly even mixing.
  • 14 ounces vanilla frosting: Choose a high-quality vanilla frosting for rich sweetness and a smooth finish; homemade or store-bought works fine.

How to Make 2 Ingredient Peanut Butter Fudge Recipe

Step 1: Prep Your Pan

Start by lining an 8 x 8-inch pan with parchment paper. This simple step ensures that your fudge will easily come out after chilling, preserving its smooth edges and perfect squares.

Step 2: Melt the Peanut Butter

Place the peanut butter in a microwave-safe bowl and heat it in 20-second bursts until just melted. This gentle melting prevents scorching and keeps the peanut butter silky and pourable for an even mix.

Step 3: Add the Vanilla Frosting

After the peanut butter is melted, add the vanilla frosting right into the same bowl and microwave for an additional 20 seconds to soften it. Stir thoroughly until the two ingredients combine into a smooth, glossy mixture that is ready to be set.

Step 4: Chill and Set

Pour the fudge mixture into your prepared pan and smooth the surface for even setting. Place it in the refrigerator for at least two hours or until completely firm.

Step 5: Slice and Serve

Once chilled and set, lift the fudge out using the parchment paper and cut into small squares. For a lovely finishing touch, sprinkle a little flaky salt on top to balance the sweetness with a subtle savory bite.

How to Serve 2 Ingredient Peanut Butter Fudge Recipe

The image shows a close-up view of several square pieces of caramel-colored fudge arranged closely in a grid on a white marbled surface. One piece is lifted above the others, centered, showing its smooth, dense texture and light brown color. The top of each fudge square is slightly cracked with a few small white salt flakes scattered on the surface, adding contrast. The edges of the fudge pieces are clean and straight, and the overall look is soft and rich. photo taken with an iphone --ar 4:5 --v 7

Garnishes

To elevate the fudge’s flavor and presentation, consider garnishing with a pinch of flaky sea salt, a light drizzle of melted dark chocolate, or even some crushed roasted peanuts. These touches add extra texture and complexity without overpowering the classic peanut butter and vanilla combo.

Side Dishes

This fudge shines on its own as a sweet bite, but pairing it with a scoop of vanilla ice cream or a dollop of whipped cream offers a lovely contrast that feels indulgently smooth and creamy. A cup of strong coffee or milk also makes the perfect companion to this rich treat.

Creative Ways to Present

For gifting, wrap your sliced fudge squares individually in parchment or cellophane tied with festive ribbon. You can layer pieces in a decorative tin or box for a charming homemade gift. For parties, arrange fudge on a pretty platter with assorted nuts and dried fruits nearby to create an inviting dessert spread.

Make Ahead and Storage

Storing Leftovers

Leftover fudge keeps beautifully when stored in an airtight container in the refrigerator. It will stay fresh and creamy for up to two weeks, making it an ideal treat to prepare ahead or enjoy gradually over time.

Freezing

You can freeze the fudge by wrapping individual squares tightly in plastic wrap and placing them in a freezer-safe container or bag. Frozen fudge retains its texture and flavor for up to three months and can be thawed in the fridge before serving.

Reheating

This fudge is best enjoyed chilled or at room temperature. If it becomes too firm in the fridge or freezer, let it sit out for about 15 minutes to soften naturally. Avoid microwaving directly as this can affect the texture and make it too soft or oily.

FAQs

Can I use crunchy peanut butter for this 2 Ingredient Peanut Butter Fudge Recipe?

Absolutely! Crunchy peanut butter adds a delightful texture contrast with bits of peanuts inside, which some people love. Just be aware it may change the smoothness of the final fudge a bit.

Is it possible to substitute vanilla frosting with something else?

Vanilla frosting is key to this recipe’s sweet creaminess, but if you want a different flavor, cream cheese frosting or marshmallow fluff could work as alternatives. Keep in mind these swaps will alter the flavor and texture slightly.

How long does it take for the fudge to set properly?

Refrigerating for at least two hours is essential for the fudge to firm up perfectly. If you want to speed this up, you can chill it in the freezer for around 30-45 minutes, but regular fridge time helps develop the ideal texture.

Can I add chocolate or other flavors to this fudge?

Definitely! Stirring in some mini chocolate chips, a splash of cocoa powder, or a dash of cinnamon before setting can add fun flavor twists while keeping things simple.

Will this fudge melt if left out at room temperature?

This fudge is best stored in the fridge to maintain its firmness. Because of the peanut butter and frosting, it can soften or become sticky at warmer room temperatures, especially in hot climates.

Final Thoughts

This 2 Ingredient Peanut Butter Fudge Recipe is one of those magical treats that’s both ultra-simple and incredibly satisfying. It proves you can make something special without a long list of ingredients or complicated steps. I genuinely hope you give it a try and discover just how delightful quick, homemade fudge can be. It’s perfect for sharing, gifting, or enjoying all to yourself on a cozy afternoon.

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2 Ingredient Peanut Butter Fudge Recipe

2 Ingredient Peanut Butter Fudge Recipe


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.3 from 10 reviews

  • Author: Eliza
  • Total Time: 6 minutes plus 2 hours chilling
  • Yield: 24 servings
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Description

This easy 2 Ingredient Peanut Butter Fudge recipe combines creamy peanut butter and sweet vanilla frosting to create a rich, smooth, and decadent treat. Perfect for a quick dessert or snack, this no-bake fudge sets in the refrigerator and only takes minutes to prepare.


Ingredients

Fudge Ingredients

  • 1 ½ cups creamy peanut butter
  • 14 ounces vanilla frosting (store-bought or homemade)


Instructions

  1. Prepare the Pan: Line an 8 x 8-inch pan with parchment paper, ensuring the paper extends over the sides for easy removal later. Set the pan aside.
  2. Melt Peanut Butter: Place the peanut butter in a microwave-safe bowl. Heat on high in 20-second intervals, stirring in between until fully melted and smooth.
  3. Add and Melt Frosting: Add the 14 ounces of vanilla frosting to the melted peanut butter. Microwave the mixture for an additional 20 seconds until everything is combined and smooth. Stir thoroughly to amalgamate the ingredients.
  4. Chill the Fudge: Pour the fudge mixture into the prepared pan, spreading it evenly. Refrigerate for at least 2 hours to allow the fudge to firm up completely.
  5. Slice and Serve: Once firm, lift the fudge out of the pan using the parchment paper. Slice into 24 pieces. Optionally, sprinkle with flaky sea salt before serving to enhance the flavor.

Notes

  • You can use homemade vanilla frosting if preferred; ensure it’s smooth and spreadable.
  • For a dairy-free version, substitute the frosting with a vegan alternative.
  • Adding flaky sea salt on top balances sweetness and adds texture.
  • Store fudge in an airtight container in the refrigerator for up to one week.
  • Prep Time: 5 minutes
  • Cook Time: 1 minute
  • Category: Dessert
  • Method: Microwaving
  • Cuisine: American

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Hi there! I’m Eliza, I’m a passionate home cook, recipe creator, and storyteller who believes that food is a universal language that connects us all. I live with my little boy, Ely, and together we fill our kitchen with laughter, love, and the comforting aroma of something delicious made with care.

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