Preheat the oven to 275°F/135°C. On a large baking sheet, toss together the oats, nuts/seeds, and coconut (if using).
In a separate bowl, combine maple syrup, oil, salt, and vanilla and/or cinnamon, if using. Pour the wet ingredients over the oat mixture, and toss until well-coated.
Bake for 45-50 minutes, stirring every 15 minutes or so.Remove from the oven, and allow to cool. Toss in dried fruit until evenly distributed. Store in an airtight container at room temperature for up to 3 weeks, in the fridge for up to 1 month, or in the freezer for up to 4 months.