INGREDIENTS
3 cups
all purpose flour
1 1/2 cups
sugar
1/4 tsp
salt
1 1/2 cups
chlled unsalted butter, cut into ½-inch cubes
4
large eggs
2 cups
sugar
1 cup
sour cream
3/4 cup
all purpose flour
salt
2 16 ounce packages
frozen blackberries, defrosted and drained (fresh berries can be substituted)