Preheat the oven to 350°F. Spread chopped walnuts on a baking sheet and place in the oven. Toast for 10 minutes until slightly brown and fragrant. Let cool.
3 cups Walnuts
Line two baking sheets with parchment paper and set them aside.
in a large bowl sift together the powdered sugar, cocoa powder, and salt.
4 cups Powdered sugar, ⅔ cup Cocoa powder, ¼ teaspoon Salt
Add in the egg whites and vanilla extract and mix with a rubber spatula.
1 tablespoon Vanilla, 4 Egg whites
Lastly, add the toasted walnuts, and chopped chocolate and mix.
3 cups Walnuts, ½ cup Dark chocolate
The mixture will look a bit dry, but keep mixing. I will become moist.
Using an ice cream scoop, place scoops of dough on the lined baking sheets. Be sure to leave at least 2 inches of space between them.
Bake for 15-18 minutes. Or until the surface starts cracking and the edges set.
Let cool down on the baking sheet for 5 minutes, then transfer to the cooling rack.