While you wait for the oven to warm up to about 120°C, place the walnut kernels in a single layer on a baking sheet. Lightly drizzle them with a little macadamia or vegetable oil and then sprinkle some salt on top. An oven preheated to 225 degrees Fahrenheit (about 107 degrees Celsius) is hot enough to roast macadamia nuts. With a few useful tools and simple methods, you can roast macadamia nuts in the comfort of your home.
Macadamia trees are native to Australia and can only be found naturally in northern New South Wales and southern Queensland. Allow the nuts to cool completely to room temperature before grinding or chopping them, or simply enjoying them whole as a snack. There are too many sources to list here, so search for “where to buy macadamia nuts” and you'll find online sources, as well as those in your local area. To roast macadamia nuts, start by opening them and discarding the shells if you haven't already done so.
Roasting macadamia nuts is a delicious way to prepare a delicious snack for you or others to enjoy at home or at a party. According to the University of Hawaii Cooperative Extension Services, roasted macadamia nuts can be kept in the freezer for up to one year. Walnuts should be stored in airtight containers or they will reabsorb water lost from the air and may become rancid. As mentioned earlier, macadamia nuts, with their super hard shell, are arguably the hardest nuts to crack.
If you overprocess it, macadamia butter is delicious to spread, but you can add a touch of vegetable oil and a little honey to make it smooth and have more flavor. Some recipes call for ground macadamia nuts, which can be used in pastry dough or sprinkled on the bottom of the pies for a delicious flavor change. Macadamia nuts are known to be the hardest nuts to crack, but the nut they contain is delicious and therefore worth the effort. The nuts will have been reduced during the drying process to just ten percent of the volume of the shell.