Boston Cream Sponge Cakes

Ingredients (18)

• 2 large eggs
• 6 tablespoons sugar
• 1/4 teaspoon salt
• 1/2 teaspoon vanilla extract
• 1/2 cup all-purpose flour
• CUSTARD FILLING:
• 1/4 cup sugar
• 2 teaspoons cornstarch
• 1/2 cup 2% milk
• 2 large egg yolks, lightly beaten
• 1/2 teaspoon vanilla extract
• 3 tablespoons butter, softened
• CHOCOLATE FROSTING:
• 1/2 cup confectioners' sugar
• 5 teaspoons heavy whipping cream
• 1 tablespoon butter, softened
• 1/2 ounce unsweetened chocolate
• 1/2 teaspoon vanilla extract