• prep: 1 hr 10 min
• cook: 5 min
• total: 1 hr 15 min

servings:

I sandwich vanilla custard between tender, cake-like cookies. With their shiny chocolate glaze, these bite-size cookies remind me of Boston cream pie. —Evangeline Bradford, Erlanger, Kentucky

• 6 tablespoons sugar
• 3 tablespoons cornstarch
• 1/4 teaspoon salt
• 1 cup 2% milk
• 6 tablespoons heavy whipping cream
• 1 large egg yolk, beaten, room temperature
• 2 teaspoons vanilla extract
• COOKIES:
• 9 tablespoons butter, softened
• 1 cup sugar
• 2 large egg yolks, room temperature
• 1 large egg, room temperature
• 1/2 teaspoon grated lemon zest
• 1 cup plus 2 tablespoons cake flour
• 1 cup all-purpose flour
• 3/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup plus 2 tablespoons buttermilk
• GLAZE:
• 2 ounces unsweetened chocolate, chopped
• 4 teaspoons butter
• 1/2 cup whipping cream
• 1 cup confectioners' sugar

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