Line a small pan (8×8-inch works well) or a plate with parchment paper or foil. This makes removal and slicing easy later.
Step 2: Combine the Ingredients
Add the entire jar of peanut butter and entire container of frosting to a microwave-safe bowl.
No need to stir yet.
Step 3: Microwave
Microwave on high for 1 minute.
Remove the bowl and stir thoroughly until the mixture is:
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Completely smooth
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Creamy
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Uniform in color
If needed, microwave for 10–15 seconds more, but avoid overheating.
Step 4: Add Optional Mix-Ins
At this stage, fold in nuts, chocolate chips, or any add-ins you like.
Step 5: Pour & Smooth
Pour the mixture into your prepared pan or plate. Smooth the top with a spatula.
Step 6: Refrigerate
Refrigerate for at least 2 hours, or until fully set.
Step 7: Slice & Serve
Lift the fudge out using the parchment paper, slice into squares, and enjoy!
Texture & Flavor Expectations
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Texture: Smooth, creamy, firm but soft
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Flavor: Rich peanut butter balanced by sweet frosting
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Mouthfeel: Melt-in-your-mouth without being greasy
This fudge holds its shape beautifully and slices clean—perfect for presentation.
Best Peanut Butter to Use
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✔ Creamy peanut butter = smooth fudge
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✔ Natural peanut butter works but must be well stirred
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❌ Chunky peanut butter only if you like extra texture
Brands like Jif, Skippy, or store-brand creamy give the most consistent results.