Italian Christmas Cookies with Cocoa and Orange Liqueur – Recipe Wise

Ingredients

• Cookies :
• 3 1/2 cups all-purpose flour , or as needed
• 4 teaspoons baking powder
• 1 cup white sugar
• 1/2 cup butter , softened
• 4 eggs
• 1 cup cocoa powder
• 2 tablespoons orange-flavored liqueur
• 2 teaspoons vanilla extract
• Icing :
• 2 cups sifted confectioners ' sugar
• 2 tablespoons water