Pre heat oven to 180℃/350℉ or 160℃ fan forced
Combine the flours, salt and baking powder in a bowl and set aside
In the bowl of a stand mixer, mix the sugars and butter, starting on low and increasing to medium. Mix for 2 minutes, scraping the bowl if necessary
Add the egg, then mix again on low, until combined
Scrape the bowl, then add the flour mixture and mix on low until almost combined
Add the macadamias and white chocolate, then mix on low until mixture forms a dough. Be careful not to overmix though
Scoop out mixture and weigh into 6 balls of 125g each (4.4oz)
Once the cream cheese frosting and cinnamon sugar butter balls are firm, make an indent in each cookie and add in the frozen balls, squeezing the cookie dough back over to enclose the fillings. Use one of each of the frosting and butter balls See Notes
Place all 6 onto a large, lined baking sheet and bake at 180℃/350℉ or 160℃ fan forced for 22 minutes. They will still be soft, but beautifully golden
Cookies will most likely lose some shape, so once baked, remove them from the oven and use 2 silicone spatulas to shape them into circles See Notes
Leave on the tray to cool down, as they are quite gooey and fragile
Enjoy!!