Peanut Butter Microwave Fudge: Quick, Creamy, and Perfectly Sweet
Peanut Butter Microwave Fudge: Quick, Creamy, and Perfectly Sweet
Some treats are timeless, and Peanut Butter Microwave Fudge is one of them. Rich, creamy, and irresistibly sweet, this fudge delivers all the comfort of traditional peanut butter candy with a fraction of the effort. Perfect for when you want something indulgent but don’t have hours to spend in the kitchen, this microwave fudge is a game-changer for busy bakers, last-minute desserts, or even holiday gifting.
I still remember the first batch I made. It was a cold winter afternoon, and I wanted a sweet treat without firing up the oven. The microwave made the process unbelievably fast, and within minutes, the creamy peanut butter and butter had melted into a smooth, glossy mixture. Adding the powdered sugar and vanilla turned it into the thick, luscious fudge that everyone in the house instantly adored. Cutting it into small squares and watching my family’s delighted faces was a small, satisfying moment that reminded me why simple homemade treats are so special.
What’s great about this fudge is that it’s incredibly forgiving and versatile. You can make it creamy or chunky depending on your peanut butter choice, adjust the sweetness to your liking, or even fold in chocolate chips or mini candies for a twist. Because it doesn’t require baking, it’s perfect for beginners, kids, or anyone craving a quick homemade dessert.

Peanut Butter Microwave Fudge
Ingredients:
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1 cup peanut butter (creamy or chunky)
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1/2 cup unsalted butter
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2 cups powdered sugar
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1 teaspoon vanilla extract
Directions:
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In a microwave-safe bowl, combine the peanut butter and unsalted butter.
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Microwave on high for 1 minute, then stir until the mixture is smooth.
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Add powdered sugar and vanilla extract to the peanut butter mixture and stir well until fully combined and smooth.
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Line a square baking dish with parchment paper and spread the fudge mixture evenly.
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Refrigerate for at least 2 hours or until firm.
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Once set, cut into small squares and serve.
Prep Time: 10 minutes | Cooking Time: 1 minute | Total Time: 2 hours 11 minutes
Kcal: 180 kcal (per piece, assuming 16 pieces) | Servings: 16 servings

Tips and Variations
For a smoother texture, use creamy peanut butter. Chunky peanut butter works too, but the texture will be slightly different with bits of peanut throughout. Pressing the parchment paper firmly into the baking dish before spreading the fudge helps it lift out cleanly for easy cutting into neat squares.
You can also get creative with mix-ins. Fold in mini chocolate chips, crushed pretzels, or even toffee bits for added flavor and texture. A light drizzle of melted chocolate over the top before refrigerating creates a professional-looking treat perfect for gifting or entertaining.
Serving Suggestions
Peanut Butter Microwave Fudge is ideal for holiday parties, cookie exchanges, or just a quick after-dinner treat. Serve chilled for a firm, satisfying bite, or let it soften slightly at room temperature for a creamier experience. These fudge squares also make wonderful homemade gifts—wrap them in parchment or place them in a decorative tin, and you’ve got a sweet, personal present that’s sure to impress.
Because they’re bite-sized, you can easily enjoy a small piece without feeling guilty, or share them with friends and family for instant smiles. Pair with coffee, tea, or even a cold glass of milk for a classic indulgent combo.

Storage and Freezing
Store the fudge in an airtight container in the refrigerator to maintain firmness. It will keep for up to two weeks when properly stored. For longer storage, you can freeze the fudge: cut it into squares, wrap individually in parchment, and place in a freezer-safe container for up to 3 months. Thaw at room temperature for a few minutes before enjoying.
FAQ
Q: Can I make this fudge chocolate-flavored?
A: Yes! Add 1/2 cup of cocoa powder to the powdered sugar for a chocolate-peanut butter version.
Q: Can I use natural peanut butter?
A: Absolutely. Just ensure it’s well stirred and slightly softened to blend smoothly with the butter.
Q: Can I make smaller or larger batches?
A: Yes, just keep the ratio of ingredients the same. Smaller batches will set faster in the fridge.
Q: Can this fudge be made nut-free?
A: You can substitute peanut butter with a sunflower seed butter or other nut-free alternative. The flavor will differ slightly but the texture remains creamy.