Boston Cream Pie Cookies

• 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
• 9 tablespoons butter, softened
• 1 cup sugar
• 2 large egg yolks, room temperature
• 1 large egg, room temperature
• 2 teaspoons vanilla extract
• 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
• 2 ounces unsweetened chocolate, chopped
• 4 teaspoons butter
• 1/2 cup whipping cream
• 1 cup confectioners' sugar

1. In a small heavy saucepan, combine the sugar, cornstarch and salt. Stir in milk and cream until smooth. Cook and stir over medium-high heat until thickened and bubbly. Reduce heat to low; cook and stir 2 minutes longer.
2. Remove from the heat. Stir a small amount of hot mixture into egg yolk; return all to the pan, stirring constantly. Bring to a gentle boil; cook and stir 2 minutes longer. Remove from the heat. Stir in vanilla. Cool for 15 minutes, stirring occasionally. Transfer to a small bowl. Press waxed paper onto surface of custard. Refrigerate for 2-3 hours.
3. In a large bowl, cream butter and sugar until light and fluffy. Beat in the egg yolks, egg, vanilla and lemon zest. Combine the cake flour, all-purpose flour, baking soda and salt; gradually add to creamed mixture alternately with buttermilk and mix well.
4. Drop by rounded teaspoonfuls 2 in. apart onto greased
5. . Bake at 400u0b0 for 5-7 minutes or until firm to the touch. Remove to wire racks to cool completely.
6. Spread custard over the bottoms of half of the cookies; top with remaining cookies.
7. For glaze, place chocolate and butter in a small bowl. In a small saucepan, bring cream just to a boil. Pour over chocolate and butter; whisk until smooth. Stir in confectioners' sugar. Spread over cookies; let dry completely. Store in the refrigerator.

sugar, cornstarch, salt, milk, heavy whipping cream, egg yolk, vanilla, butter, sugar, egg yolks, egg, vanilla, lemon zest, cake flour, flour, baking soda, salt, buttermilk, chocolate, butter, whipping cream, sugar

Taken from www.tasteofhome.com/recipes/boston-cream-pie-cookies/ (may not work)