Preheat oven to 350 degrees F Line a baking pan with parchment paper and set aside Combine oats almonds cashews sugar orange zest cinnamon and nutmeg in a large bowl and mix well Melt the butter over low heat in a small saucepan and stir in the maple syrup Pour the butter mixture over the granola and toss to coat evenly Spread the granola in an even layer on the prepared baking pan and bake until cashews are golden and oats are crisp -- 15 to 20 minutes Cool and store in an airtight container for 1 week or refrigerated for up to 1 month
