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Stable Banana Frosting for Cupcakes

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Grandma's vintage banana frosting for cupcakes is a 70s A&P throwback. This family favorite is the ultimate topping for spice cake.
Prep Time 8 minutes
Total Time 8 minutes
Servings: 2
Course: Dessert
Cuisine: American
Calories: 964.5

Ingredients
  

  • 1 large banana very ripe, mashed
  • 1/2 teaspoon lemon juice
  • 1/4 cup butter softened
  • 3 - 3 1/2 cups powdered sugar sifted

Method
 

  1. Combine the banana and lemon juice.
  2. Cream the butter with 1 cup of powdered sugar, then incorporate the banana and enough remaining sugar to achieve a thick, spreadable consistency.

Nutrition

Calories: 964.5kcalCarbohydrates: 194.9gProtein: 1gFat: 23.4gSaturated Fat: 14.7gCholesterol: 61mgSodium: 165.9mgFiber: 1.8gSugar: 184.6g

Notes

Banana Texture: I always make sure to mash my banana until it is completely smooth before adding it to the butter, because even small chunks can get stuck in a piping tip.
Color Preservation: Do not skip the lemon juice, as I have learned it is the secret to keeping the frosting from turning a dull grey color as it sits.
Consistency Control: If you find the frosting is too soft for your liking, just add a little more powdered sugar or pop it in the fridge for ten minutes to help it firm up.
Butter Temperature: I recommend using butter that is soft but still cool to the touch, which prevents the frosting from becoming greasy or melting.
Storage Tips: This frosting stays fresh in the refrigerator for about three days, but I always give it a quick whip with a spoon to bring back that fluffy texture before using it.
Flavor Balance: For a little extra depth, I sometimes add a tiny pinch of salt to balance out all that sweetness from the powdered sugar and banana.