Toss all of the ingredients (cashews, avocado oil, maple syrup, rosemary, coconut sugar, salt, and cayenne) together in a bowl. Add to a baking sheet in a single layer.
Roast cashews for 10 minutes, toss, and roast for 8 to 10 more minutes.
Let cool completely (they will harden as they cool) and then break up any pieces that have stuck together. Snack and enjoy, or put in jars and give a gift to a friend.
Notes
You’ll need 1/4 cup of rosemary sprigs, then finely chop them before adding to the cashews. Store them in an airtight container at room temperature. These cashews are best eaten within a week.