INGREDIENTS: * 1 cup butter, room temperature * 3/4 cup granulated sugar * 1 1/4 cups brown sugar, firmly packed * 2 eggs * 2 teaspoons vanilla extract * 2 1/2 cups all-purpose flour * 3/4 teaspoon salt * 1 teaspoon baking powder * 1 teaspoon baking soda * 2 to 3 cups semisweet chocolate [...]