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1
Place the flour, baking powder, and salt in a medium mixing bowl and whisk to combine thoroughly.
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2
Using a sharp knife, coarsely chop the almonds and set them aside.
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3
In the bowl of an electric mixer fitted with the paddle attachment, beat together the eggs, the egg yolks, and the 2 cups sugar on medium speed until light, about 2 minutes.
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4
The mixture will look somewhat curdled.
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5
Beat in the vanilla extract, anise seeds, and orange zest.
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6
Beat in the dry ingredients, then the chopped nuts, to make a soft dough.
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7
Remove the dough from the bowl, wrap it in plastic, and chill for 2 hours, or until it is firm enough to handle.
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8
Preheat the oven to 325 degrees F. Lightly grease two baking sheets with nonstick cooking spray or butter or line them with parchment paper.
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9
Divide the dough into 5 equal portions.
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10
On a lightly floured surface, shape each portion of the dough into a log about 1 1/2 inches in diameter and 10 inches long.
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11
Place 2 of the logs on one of the baking sheets, 3 inches apart, and 3 of the logs on the second baking sheet, also 3 inches apart.
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12
In a small bowl, beat the egg white with a fork until frothy.
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13
With a pastry brush, glaze each log with the beaten egg white and sprinkle with 1 teaspoon sugar.
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14
Bake the logs until they are lightly golden brown, firm to the touch, and just beginning to crack slightly, 20 to 25 minutes.
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15
Rotate the sheets 180 degrees halfway through the baking time to ensure even browning.
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16
Allow the logs to cool on the baking sheets on a wire rack until they are cool to the touch, about 40 minutes.
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17
Reduce the oven temperature to 200 degrees F.
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18
With a sharp, serrated knife, slice the cooled slightly on the bias into 1/4-inch-wide slices.
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19
Lay the slices on the baking sheets in a single layer.
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20
Return them to the oven and cook for 20 minutes more, or until they are toasted, dry, and crisp.
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21
Cool the completely on the baking sheets, then store them in an airtight container kept in a cool, dry place for up to 2 weeks.