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Soft Vanilla Sponge Cake – melt-in-your-mouth texture

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A delicate vanilla cake with a creamy white crumb and soft texture — inspired by vintage milk glass elegance.

Ingredients

Scale

Cake:

  • 2½ cups cake flour

  • 2 tsp baking powder

  • ½ tsp salt

  • 1 cup unsalted butter, softened

  • 1¾ cups granulated sugar

  • 5 egg whites

  • 1 tbsp vanilla extract

  • ½ cup sour cream

  • 1 cup whole milk

Frosting:

  • 1 cup unsalted butter (or cream cheese)

  • 34 cups powdered sugar

  • 1 tsp vanilla extract

  • 23 tbsp cream or milk

  • Optional: white gel food coloring

Instructions

  • Preheat oven to 350°F. Grease and line cake pans.

  • Sift dry ingredients together. Set aside.

  • Cream butter and sugar until fluffy. Add egg whites and vanilla.

  • Mix milk and sour cream. Alternate adding dry ingredients and milk mixture to batter.

  • Divide into pans. Bake 25–30 minutes until set. Cool completely.

  • Beat frosting ingredients until fluffy. Frost and decorate as desired.

Notes

  • Store frosted cake in fridge if using cream cheese.

  • Add edible flowers or sugar pearls for vintage charm.

  • Can be frozen unfrosted for up to 2 months.