Meatball Cookies

Ingredients

• 3 cups all-purpose flour
• 2/3 cup unsweetened cocoa powder
• 1 1/2 teaspoons baking powder
• 1 1/2 teaspoons baking soda
• 1 teaspoon salt
• 1 cup chopped walnuts
• 1 teaspoon ground cloves
• 1 teaspoon ground allspice
• 1 teaspoon ground cinnamon
• 1/2 teaspoon ground nutmeg
• 1 1/2 cups white sugar
• 3 eggs
• 1/2 cup butter
• 2 teaspoons vanilla extract
• 4 cups confectioners ' sugar
• 1/4 cup unsweetened cocoa powder
• 1/2 cup milk