Chocolate Soufflé Cookies
- ½ tsp. pure vanilla extract
- 2 large egg whites, at room temperature
- ¼ cup granulated sugar
- ¾ cup finely chopped walnuts
- 6 oz. bittersweet or semisweet chocolate, chopped
- 1/8 tsp. cream of tartar
Position oven racks in the upper and lower third of the oven and heat the oven to 350 F. Lightly grease two baking sheets or line them with parchment. Melt the chocolate and set aside. Using a hand or stand mixer, beat the egg whites with the cream of tartar until soft peaks form. With the beate...