Ingredients
2cupsunsalted butter,softened
4egg yolks
4cupsall purpose flour
2cupswhite sugar
2tspbaking powder
1tspground cardamom
⅓tspsalt
1cupblackberry jam,at room temperature
¼cupconfectioner’s sugar
Preparation
Beat the butter in a bowl with an electric mixer until light and fluffy. Add the egg yolks to the butter one at a time, blending well after each addition.
Mix the flour, white sugar, baking powder, cardamom, and salt together in a bowl. Stir the flour mixture into the butter mixture until just combined.
Divide the dough in half and wrap each tightly in plastic wrap. Freeze for at least 3 hours.
Preheat oven to 350 degrees F. Grate 1 ball of frozen dough evenly into the bottom of a 9×13-inch baking pan.
Spread the blackberry jam over the grated dough, leaving ½-inch space around the edges. Grate the second ball of frozen dough over the jam.
Bake in the oven for 30 to 40 minutes until golden brown.
After shortbread cools, sprinkle with confectioners’ sugar and cut into bars. Serve and enjoy!
