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White Cake Recipe with Smooth Buttercream Frosting

This white cake recipe with smooth buttercream frosting is delicious and so simple. It's made from scratch and I usually top it with fresh berries. 
5 from 25 votes
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Course: Dessert
Cuisine: American
Keyword: butter cream frosting, white cake recipe
Prep Time: 20 minutes
Cooling time: 1 hour
Total Time: 50 minutes
Author: Rachel Quenzer


  • 9x13 Cake pan


White Cake Recipe Ingredients

  • 2 3/4 cup of cake flour, sifted
  • 1 Tbsp. of baking powder
  • 1/2 tsp. of salt
  • 3/4 cups of butter, softened to room temperature
  • 2 cups granulated sugar
  • 2 Tbsp. of olive oil
  • 5 egg whites from large eggs, room temperature
  • 1 Tbsp. vanilla
  • 1/4 - 1/2 tsp. almond extract I literally pour the almond extract somewhere in between these two when using the measuring spoon
  • 1/3 cup sour cream, room temperature
  • 1 cup whole milk
  • Fruit topping as desired.

Frosting Ingredients

  • 1 cup of unsalted butter, softened at room temperature (Two sticks)
  • 5 cups powdered sugar
  • 1 cup heavy whipping cream
  • 1 Tbsp. vanilla
  • 1/4 tsp. salt


  • Preheat your oven to 350 degrees.
  • In a large bowl mix together your flour (sifted), baking powder and salt. Then set aside. 
  • In another large bowl use a hand-held mixer and blend together butter and sugar until well combined. 
  • Add in your oil, egg whites, almond extract and vanilla until well combined Then add your sour cream and fold it in with a spatula and blend again on low. 
  • Add in your milk and mix again on low. 
  • Begin combining the flour mixture with the liquid mixture until you've combined everything. Add a little of the flour mixture at a time until that bowl is empty. 
  • In a metal baking pan, line the bottom with parchment paper. Then oil the sides of the pan. I always use olive oil to do this but you can use any oil or even more butter. 
  • Carefully pour the cake batter into the pan and bake for about 30-35. Test with a toothpick. 
  • Let the cake cool for about 1 hour before frosting. 

Buttercream Frosting Instructions

  • Combine with a hand mixer your butter and sugar until they're well combined. 
  • Add your vanilla, salt and heavy whipping cream. Mix on medium for about 10 minutes or until your frosting is light and fluffy. Stop randomly to scrape the sides and make sure that you're getting all the ingredients into the mix. 
  • Top your cake once it's cool and then top with fruit as desired. Serve and enjoy!