Preheat oven to 300°F. Line a large baking sheet with a silicon mat or parchment paper.
Combine all of the ingredients in a large bowl and stir until moistened.
Spread mixture onto the prepared baking sheet and bake for 45 minutes, stirring every 15 minutes. Allow to cool completely, the granola will begin to obtain a crunchy texture as it cools.
It remains fresh at room temp for up to 3 weeks in air tight container.