Peanut butter icing is a rich and creamy frosting that adds a deliciously nutty twist to any dessert. Originating from the desire to pair the beloved flavor of peanut butter with sweet treats, this icing has gained popularity in kitchens worldwide. Whether you’re topping cakes, cupcakes, or cookies, its velvety texture and unique flavor make it an irresistible choice. It combines the creamy richness of peanut butter with the smoothness of butter, making it perfect for anyone who loves a peanut butter-based treat.
Ingredients
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1 cup creamy peanut butter (you can use natural or regular peanut butter)
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1/2 cup unsalted butter, softened
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3-4 cups powdered sugar, sifted
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1 teaspoon vanilla extract
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2-3 tablespoons milk (adjust for desired consistency)
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A pinch of salt (optional, to balance sweetness)
Substitutions:
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For dairy-free, swap butter with margarine or coconut oil.
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Use powdered sugar substitutes (like stevia or monk fruit powder) for a low-carb version.
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For a vegan option, ensure that the peanut butter is vegan-friendly and use plant-based milk like almond or oat milk.
Step-by-Step Cooking Instructions
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Prepare the ingredients
Start by making sure the butter is soft. If it’s not, microwave it in 10-second bursts, checking the consistency until it’s soft but not melted. Sift the powdered sugar to remove lumps. -
Mix the peanut butter and butter
In a large mixing bowl, cream together the softened butter and peanut butter using an electric mixer on medium speed. Beat until smooth and well-combined, about 2 minutes. -
Add powdered sugar
Gradually add sifted powdered sugar, one cup at a time, mixing well after each addition. Continue until you have a thick, creamy frosting. -
Adjust the consistency
Add vanilla extract and a pinch of salt (if using). Gradually add milk one tablespoon at a time until you reach your desired icing consistency. If you like a thicker icing, use less milk; for a smoother consistency, add more. -
Final mix
Beat the mixture on high speed for 2-3 minutes to incorporate air and make it fluffy. Taste and adjust sweetness, adding more sugar if you prefer a sweeter icing.
Pro Tips and Cooking Techniques



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Room Temperature Ingredients: Make sure both the butter and peanut butter are at room temperature. This ensures a smoother texture and prevents clumping.
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Texture Control: If your icing is too thick, add a bit more milk, but do so slowly to avoid making it too runny.
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Storage Tips: Peanut butter icing can be stored in an airtight container in the fridge for up to 3 days. Be sure to bring it back to room temperature before spreading it.
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Avoid Overbeating: While it’s important to beat the icing to a fluffy texture, be careful not to overdo it. Overmixing can cause the icing to become too soft and lose its structure.
Variations and Customizations
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Chocolate Peanut Butter Icing: Add 1/4 cup of unsweetened cocoa powder to the mixture for a chocolate peanut butter variation. Mix well for a rich, chocolatey twist.
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Crunchy Texture: If you prefer a bit of crunch, fold in chopped peanuts after the icing is made for added texture and flavor.
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Sugar-Free Version: For a healthier take, use powdered monk fruit sweetener instead of sugar, and opt for sugar-free peanut butter.
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Spicy Peanut Butter Icing: Add a touch of cinnamon or cayenne pepper for a sweet and spicy variation.
Serving Suggestions
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Cupcakes: Spread peanut butter icing on chocolate or vanilla cupcakes for a rich, flavorful treat. You can even top with chopped peanuts or mini chocolate chips for added texture.
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Layer Cakes: This icing is perfect for peanut butter or chocolate cakes. Layer it between cake layers and spread on top for a beautiful finish.
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Cookies: Use peanut butter icing as a topping for cookies like sugar cookies or shortbread. It adds a creamy element that contrasts perfectly with the crisp texture of cookies.
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Pairing: Serve with a glass of cold milk or a cup of coffee to complement the rich, nutty flavors of the peanut butter icing.
Nutritional Information (per serving)
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Calories: 180
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Protein: 3g
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Carbohydrates: 20g
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Fats: 10g
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Sodium: 90mg
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Sugar: 18g
Note: Nutritional values may vary depending on the specific ingredients used.
Frequently Asked Questions (FAQs)
1. Can I make peanut butter icing ahead of time?
Yes, you can prepare the icing in advance and store it in an airtight container in the fridge for up to 3 days. Be sure to let it come to room temperature before using it.
2. Can I freeze peanut butter icing?
Yes, peanut butter icing can be frozen. Store it in a sealed container for up to 3 months. Thaw it in the refrigerator overnight and bring it to room temperature before using.
3. What can I do if my peanut butter icing is too runny?
If your icing is too thin, gradually add more powdered sugar until you reach the desired consistency. Alternatively, chill the icing in the fridge for 15-20 minutes to thicken it up.
Closing Thoughts
Peanut butter icing is a versatile and delicious addition to any dessert. It’s easy to make, requires simple ingredients, and can be customized in various ways to suit your taste. Whether you prefer a classic version or enjoy experimenting with new flavors, this frosting will take your baked goods to the next level. Don’t hesitate to try it out and share your results with us – we’d love to hear how it turned out for you!