White Chocolate Cake with White Chocolate Icing


This is a white chocolate cake with a white chocolate icing. I got this recipe from my mother and it's a beautiful, smooth cake, good for any occasion.

Prep Time:
30 mins
Cook Time:
30 mins
Additional Time:
30 mins
Total Time:
1 hrs 30 mins
1 8-inch layer cake



  • 4 ounces white chocolate, broken into small pieces

  • 2 cups white sugar

  • 1 cup butter, softened

  • 4 eggs, separated

  • 1 teaspoon vanilla extract

  • 2 ½ cups cake flour

  • 1 teaspoon baking soda

  • ½ teaspoon salt

  • 1 cup buttermilk


  • 8 ounces white chocolate, melted and cooled

  • 2 ¾ cups confectioners' sugar

  • 4 tablespoons hot water

  • 4 tablespoons butter, softened

  • 2 egg yolks

  • 1 teaspoon vanilla extract

  • 2 pinches salt


  1. Preheat the oven to 300 degrees F (150 degrees C). Grease and flour three 8-inch round cake pans or line with parchment paper.

  2. Place chopped white chocolate in the top of a double boiler over simmering water. Stir frequently, scraping down the sides with a rubber spatula to avoid scorching, until chocolate is melted, about 5 minutes.

  3. Cream sugar and butter together using an electric mixer until fluffy. Add 4 egg yolks, 1 at a time, beating well after each addition. Mix in vanilla extract and melted chocolate.

  4. Combine flour, baking soda, and salt in another bowl. Blend into butter mixture, alternating with buttermilk, beating well after each addition.

  5. Beat egg whites in a separate bowl until stiff; fold into batter. Pour batter evenly into the prepared cake pans.

  6. Bake in the preheated oven until a toothpick inserted into the center of each layer comes out clean, 25 to 30 minutes. Remove from the oven and let cool completely, about 30 minutes.

  7. Combine melted white chocolate, confectioners' sugar, hot water, butter, egg yolks, vanilla extract, and salt in a mixing bowl; beat into a smooth icing using an electric mixer.

  8. Place 1 cake layer on a serving plate. Cover with some frosting and another cake layer. Repeat once more. Frost the top and sides of the cake with the remaining icing.

Nutrition Facts (per serving)

712 Calories
31g Fat
103g Carbs
8g Protein
Nutrition Facts
Servings Per Recipe 12
Calories 712
% Daily Value *
Total Fat 31g 40%
Saturated Fat 19g 93%
Cholesterol 154mg 51%
Sodium 436mg 19%
Total Carbohydrate 103g 37%
Dietary Fiber 1g 2%
Total Sugars 79g
Protein 8g
Vitamin C 0mg 2%
Calcium 103mg 8%
Iron 3mg 15%
Potassium 176mg 4%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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