To prepare a white chocolate macadamia nut cookies iv recipe, first you need to prepare your ingredients. First, you'll need the following ingredients: 14 cup (60 ml) butter, 2 tablespoons (28 g) confectioners' sugar, 1 teaspoon vanilla extract, and 1 tablespoon of the milk. In another bowl, combine the flour, cocoa, baking powder, salt and baking soda. Add the dry ingredients to the wet ingredients and mix until just combined. Then, stir in the chocolate chips until they're evenly coated. Pour the batter into the prepared baking dish. Bake the cookies for 12 to 15 minutes, or until the edges are golden brown. Allow to cool before removing them from the oven.