Peanut Butter Cake Icing

Prep: 10 min Cuisine: American

A creamy, sweet peanut butter icing perfect for decorating cakes and cupcakes, offering rich nutty flavor that pairs well with chocolate or vanilla desserts.

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Ingredients

  • 1 box powdered sugar
  • 2 Tbsp. peanut butter
  • 1 Tbsp. melted butter

Instructions

  1. Mix powdered sugar and peanut butter together in a bowl.
  2. Pour melted butter over the mixture.
  3. Slowly add milk until the icing reaches a spreadable consistency.
  4. Spread over cooled cake.

Tips & Substitutions

For a creamier texture, consider using creamy peanut butter instead of chunky. If you want to reduce sweetness, gradually add less powdered sugar until your desired flavor is achieved. You can substitute the butter with coconut oil for a dairy-free option. Keep in mind that adjusting the milk amount will affect the spreadability, so add it slowly. This icing pairs wonderfully with Old Time Pound Cake.

Serving Suggestions

This peanut butter cake icing is perfect for topping a classic chocolate cake or a simple vanilla cake. It also complements flavors like banana or caramel, making it an ideal match for Dr. Bird Cake - Or Bananas And Pineapple. For a festive touch, sprinkle crushed peanuts or chocolate shavings on top before serving.

Storage & Reheating

Store any leftover icing in an airtight container in the refrigerator for up to a week. Before using, let it sit at room temperature for about 30 minutes to soften. If needed, you can rewhip the icing with a little more milk to restore its spreadable consistency.

Nutrition & Diet Analysis (per serving)

Each serving of Peanut Butter Cake Icing contains roughly 175 calories, with 2g protein, 27g carbohydrates, and 8g fat.

175 kcal 9% DV
Protein Fat Carbs

Macronutrients

Protein 1.8g 4% DV
Total Fat 7.5g 10% DV
Carbs 26.6g 10% DV
Fiber 0.6g 2% DV
Sugar 25.1g 50% DV

Electrolytes

Sodium 37mg 2% DV
Potassium 56.4mg 1% DV
Cholesterol 11.3mg 4% DV

Vitamins & Minerals

Calcium 3.6mg
Iron 0.2mg 1% DV
Diet fit Under 400 cal
Contains Milk Peanut

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use natural peanut butter for this icing?

Yes, you can use natural peanut butter, but it may yield a different consistency due to the oils separating. Make sure to stir it well before use, and you might need to adjust the amount of powdered sugar or milk to achieve the desired thickness.

How can I make this icing less sweet?

To reduce the sweetness, try using less powdered sugar or adding a pinch of salt to balance the flavors. You can also incorporate unsweetened cocoa powder for a chocolatey twist while maintaining a peanut butter flavor.

What can I do if the icing is too runny?

If your icing turns out too runny, gradually add more powdered sugar until it thickens to your desired consistency. Alternatively, you can refrigerate it for a short time to help it set up, but be cautious not to chill it for too long.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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