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1
Cookies: Preheat the oven to 350 degrees and position 2 racks in the upper and middle thirds of the oven.
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2
Cover 3 cookie sheets with parchment paper.
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3
Sift cake flour, all-purpose flour, baking powder and salt into a mixing bowl or onto a large sheet of wax paper.
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4
In another large mixing bowl, beat butter and sugar at medium speed until light and fluffy, using a hand held electric mixer, about 3 minutes.
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5
Add eggs and yolks one at a time, beating well between additions.
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6
Add vanilla and milk to the mixture.
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7
At low speed, beat in the dry ingredients until JUST combined.
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8
Spoon rounded tablespoons onto cookie sheets, about 2 inches apart.
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9
Bake for about 12 minutes, until the centers spring back when lightly pressed.
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10
Be careful not to brown or over bake, or they will be dry.
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11
Move the cookies, flat-side up, to a wire rack and let cool completely.
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12
Icing: Meanwhile, in a medium bowl, whisk confectioners' sugar with the boiling water until smooth.
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13
Add vanilla and a few drops of food coloring.
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14
Whisk the mixture until color is even.
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15
Using a small offset spatula, spread the orange-colored icing over half of the flat side of each cookie.
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16
You will have orange icing left over (for next step).
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17
In your microwave, melt the chocolate in a small bowl or glass measuring cup.
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18
Stir melted chocolate into the left over orange icing.
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19
Spread the chocolate icing on the other half and let stand until set, about 15 minutes.
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20
(If the icing becomes too thick, add hot water, 1 teaspoon at a time, until smooth and shiny.
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21
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