INGREDIENTS
2 1/4 cups
all-purpose flour
1 cup
salted butter (, firm but not cold*)
2/3 cup
granulated sugar
seeds of 1 vanilla bean ((1 1/2 tsp vanilla extract could be substituted))
2
large eggs (, yolks and whites divided)
1 cup
unsalted pistachios (, finely chopped)
1/2 cup
strawberry preserves
4 oz
. melted white chocolate or semi-sweet chocolate**