Preheat your oven to 325°F (160°C) and line a baking sheet with parchment paper.

In a mixing bowl, combine the honey, melted butter, and sea salt. Stir well until fully mixed.

Add the raw macadamia nuts to the bowl and toss them gently until they are evenly coated with the honey mixture.

Spread the coated nuts in a single layer on the prepared baking sheet.

Bake for 12-15 minutes, stirring once halfway through, until the nuts are golden brown and fragrant.

Remove from the oven and let them cool completely on the baking sheet. The nuts will crisp up as they cool.

Once cooled, sprinkle with cinnamon if desired and store in an airtight container.