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Scories De Vulcan | Lava Stones Cookies

These fun little cookies – Scories De Vulcans or Lava Stone Cookies, named for Vulcan, the Roman god of fire, have a cracked, rocky surface and crackle like a volcano as they cool.
Course Dessert
Cuisine American
Keyword easy cookie recipes
Prep Time 45 minutes
Cook Time 30 minutes
Total Time 1 hour 15 minutes
Servings 48
Calories 41kcal

Ingredients

  • 2 cups hazelnuts preferably peeled
  • ½ cup granulated sugar
  • tablespoons cocoa powder
  • 1 tablespoons all purpose flour
  • ¼ teaspoons baking powder
  • 3 egg whites

Instructions

  • Heat the oven to 375°F. Spread the hazelnuts on a baking sheet and toast them until golden, 8 to 12 minutes. If the hazelnuts were not peeled, rub them while still hot with a rough cloth to remove the skins.
  • Let them cool completely, then grind them very coarsely in a food processor with half of the sugar—crunchy texture is important.
  • Pulse to work in the cocoa powder, flour, and baker’s ammonia.
  • Set aside 2 tablespoons of the remaining sugar. Whisk 1 egg white with the remaining sugar until foamy, add it to the nut mixture in the processor, and work for a few seconds until mixed.
  • Whisk the remaining egg whites in a bowl until soft peaks form.
  • Gradually add the reserved 2 tablespoons sugar to the whites and continue beating until a very stiff meringue forms, 1 to 2 minutes.
  • Add the nut mixture to the meringue and fold them together.
  • Cover and refrigerate for at least 3 hours and up to 1 day.
  • When ready to bake, heat the oven to 375°F. Line a baking sheet with parchment paper. Using 2 teaspoons, set rough balls the size of a small walnut on the paper. Bake until puffed and lightly browned, 14 to 17 minutes. Let cool slightly on the paper—they will crackle like a volcano!
  • Transfer to a rack to cool completely. When cool, the cookies will be light and crisp and have a cracked, rocky surface. They may be stored in an airtight container for a month or more.

Nutrition

Calories: 41kcal | Carbohydrates: 3g | Protein: 1g | Fat: 3g | Saturated Fat: 0.2g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 2g | Sodium: 5mg | Potassium: 40mg | Fiber: 1g | Sugar: 2g | Vitamin A: 1IU | Vitamin C: 0.3mg | Calcium: 7mg | Iron: 0.3mg