INGREDIENTS
4
Eggs, large
2 tsp
Baking powder
2 tsp
Baking soda
3 cups
Bread flour
2 1/4 cups
Brown sugar, packed light
1 3/4 cups
Granulated sugar
3 1/8 cups
Pastry flour
1 tbsp
Salt
1 tbsp
Vanilla extract, pure
1 lb
Butter, unsalted
2 pounds Jacques Torres House (60 percent cocoa) Chocolate or other best-quality semisweet or bittersweet chocolate, coarsely chopped