Chocolate Crinkle Cookies  Chocolate Crinkle Cookies Ingredients 1 1/3 cups (8 ounces) chopped bittersweet chocolate or chocolate chips 1/2 cup (4 ounces, 1 stick) unsalted butter 2/3 cup (4 3/4 ounces) sugar 3 large eggs 2 teaspoons vanilla 2 teaspoons espresso powder (optional) 1/2 teaspoon baking powder 1/4 teaspoon salt 1 2/3 cups (7 ounces)