INGREDIENTS
1/2 cup
cold unsalted butter, cut into small cubes
1 1/2 cups
sifted all-purpose flour
1/2 cup
white sugar
1/2 tsp
salt
1/4 tsp
baking powder
1/4 tsp
Chinese five-spice powder
1
egg yolk
1/2 tsp
ice water, or more if needed
3/4 cup
fresh blueberries