Layered Strawberry Cream Cake

Ingredients (19)

• 1/2 cup butter, softened
• 1 cup sugar, divided
• 2 large egg yolks
• 1 teaspoon vanilla extract
• 2 teaspoons grated orange zest
• 2 cups cake flour
• 2 teaspoons baking powder
• 1/4 teaspoon salt
• 1/3 cup whole milk
• 1/3 cup orange juice
• 4 large egg whites
• FILLING:
• 2-1/4 cups chopped fresh strawberries
• 2 tablespoons sugar
• 2 cups heavy whipping cream
• 1 teaspoon vanilla extract
• 1/3 cup confectioners' sugar
• 1/4 cup sour cream
• Whole strawberries for garnish