Preheat the oven to 325°F (165°C)
Line a baking sheet with parchment paper
In a large bowl, combine rolled oats, nuts, seeds, and a pinch of salt
In a separate bowl, mix oil, honey or maple syrup, and vanilla extract
Pour the wet mixture over the dry ingredients
Stir until everything is evenly coated
Spread the mixture in an even layer on the baking sheet
Bake for 20 to 30 minutes, stirring halfway through
Remove from the oven when golden brown
Let the granola cool completely
Stir in dried fruit or chocolate chips after cooling
Store in an airtight container