Birthday Cake Icing Recipe

User Reviews

3.6

330 reviews
Good
  • Prep Time

    10 mins

  • Total Time

    10 mins

  • Servings

    48 cupcakes or 9 inch 2 story cake

  • Calories

    138 kcal

  • Course

    Dessert

  • Cuisine

    American

Birthday Cake Icing Recipe

This Birthday Cake Icing Recipe makes a creamy, fluffy buttercream designed to cover large cakes or dozens of cupcakes. It combines unsalted butter with sifted powdered sugar, vanilla extract, sour cream, and milk to create a smooth, spreadable consistency. The sour cream adds subtle tang and richness, balancing the sweetness. This icing is ideal for multi-tiered cakes or generous frosting layers on cupcakes and can be stored frozen or refrigerated when not in use.

Description

The Birthday Cake Icing recipe calls for creaming a large amount of room-temperature unsalted butter until soft and airy. Powdered sugar is gradually added while mixing at low speed to avoid dust and achieve smoothness. Vanilla extract, sour cream, and milk are incorporated to impart flavor and maintain the right texture. The sour cream contributes moisture and subtle acidity, helping the icing to stay creamy without being overly sweet.

The result is a stable frosting that holds up well on multi-layer cakes and also spreads smoothly on cupcakes. The vanilla provides a classic flavor base, while the milk adjusts the icing’s consistency to be neither too stiff nor too runny. The recipe produces enough icing for two to three 9-inch tiered cakes or approximately 48 cupcakes.

For best texture, ensure the butter is soft but not melted. Sifting the powdered sugar avoids lumps and aids smooth mixing. The icing can be frozen for up to three months or refrigerated to keep it fresh until needed.

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Ingredients

Servings
  • 2 cups butter at room temperature, 4 sticks, unsalted
  • 7 cups powdered sugar
  • 4 Teaspoons vanilla extract pure
  • 2 Tablespoons sour cream
  • 2 Tablespoons milk

Instructions

  1. Sift the powdered sugar
  2. Using a mixer on medium to high speed, cream the butter until soft and airy, About 2-3 minutes
  3. Run the sides and bottom of the bowl with a spatula to ensure that all the butter is mixed
  4. Reduce the mixer to low, and slowly add the powdered sugar in batches
  5. Run the sides and bottom of the bowl with a spatula to ensure that all the butter is mixed
  6. Pour in the vanilla, milk and sour cream
  7. Mix until combined
  8. Enjoy!
  9. This icing can be frozen for up to 3 months or placed in the fridge when not in use

Notes

  • This amount of icing is suitable for 2 to 3 tiered 9-inch cakes or about 48 cupcakes.
  • Scale the recipe down by half for smaller cakes or fewer cupcakes.
  • Store leftover icing frozen for up to 3 months or refrigerate when not decorating.

Nutrition Information

Show Details
Calories 138kcal (7%) Carbohydrates 17g (6%) Fat 7g (11%) Saturated Fat 4g (20%) Cholesterol 20mg (7%) Sodium 2mg (0%) Potassium 3mg (0%) Sugar 17g (34%) Vitamin A 240IU (5%) Calcium 4mg (0%)

Nutrition Facts

Serving: 48cupcakes or 9 inch 2 story cake

Amount Per Serving

Calories 138 kcal

% Daily Value*

Calories 138kcal 7%
Carbohydrates 17g 6%
Fat 7g 11%
Saturated Fat 4g 20%
Cholesterol 20mg 7%
Sodium 2mg 0%
Potassium 3mg 0%
Sugar 17g 34%
Vitamin A 240IU 5%
Calcium 4mg 0%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

3.6

330 reviews
Good

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