01 -
Preheat the oven to 150°C.
02 -
In a medium bowl, whisk together the flour, salt, baking soda, orange zest, and poppy seeds until evenly combined.
03 -
In a large bowl, cream the softened butter and granulated sugar together until pale and fluffy.
04 -
Beat in the whole egg and additional egg yolks one at a time until the mixture is light and creamy.
05 -
Mix in the orange extract and food coloring, if using, until fully integrated.
06 -
Fold the flour mixture into the butter mixture, stirring just until combined. Avoid overmixing.
07 -
Line a baking sheet with parchment paper or a silicone baking mat. Using a cookie scoop, portion the dough onto the prepared sheet.
08 -
Bake in the centre of the oven for 20 to 25 minutes, or until the edges and bottoms are barely golden.
09 -
Allow cookies to cool on the baking sheet for several minutes before transferring to a wire rack to cool completely.
10 -
Whisk together powdered sugar and enough orange juice to make a smooth, pourable glaze.
11 -
Drizzle the glaze over cooled cookies, then sprinkle with additional orange zest if desired. Allow the glaze to set before serving.