In a large mixing bowl, stir together the oats, almonds, pecans, walnuts, and pepitas. Set dry ingredients aside
In a liquid measuring cup, measure out the grapeseed oil and maple syrup. Add the brown sugar to the liquid mix and whisk to combine
Pour the liquid mixture over the dry ingredients and stir until everything is evenly coated
Spread the mixture evenly onto a baking sheet and bake for 45 minutes, stirring halfway through
Remove from the oven, cool, and store in an air-tight container
Notes
*Note for those who want to customize their homemade granola: The most important thing about this homemade granola recipe is the ingredient ratio: 3 cups oats, 2 cups mix-ins, and 1 cup liquid mixture.