Filled Cookie

1

Preheat the oven to 180oC

In a bowl, whisk together the cornstarch, flour, baking soda, and salt

2

Using an electric mixer, beat the butter and sugar until smooth and creamy

Add the egg yolks, rum, and vanilla extract and mix until well combined

3

Gradually add the flour mixture and mix well

If the dough is too sticky, add more flour

It should be light and delicate

4

Roll out the dough on a floured surface to 0.5 cm thickness

Use a flower-shaped cookie cutter to cut into desired shape

Place onto a greased baking sheet

Cut the center of half the cookies with a small round cookie cutter

5

Bake for 8 minutes or until firm and lightly golden around the edges

Let cool on a wire rack

6

Dust with confectioner's sugar

Place a small amount of jam on top of each cookie, then sandwich with an empty cookie half.