Preheat the oven to 300F°/150C°.
In a large bowl, mix all ingredients.
Line a baking sheet with parchment paper.
Transfer the mixture to the prepared pan and spread into an even layer. Gently press down on the granola with the back of a spatula or spoon.
Bake until lightly golden, about 25-30 minutes, stirring occasionally.
Remove from the oven and let the granola completely cool down before transferring it to an airtight container or a jar. The granola will further crisp up as it cools.
Store the granola in an airtight container at room temperature for up to two weeks.