Preheat the oven to 160 ° C (320 ° F). Line a baking sheet with parchment paper.
Combine oats, cinnamon, sunflower seeds, pumpkin seeds, coconut, and a pinch of salt in a large bowl.
Drizzle the maple syrup and rapeseed oil over the mixture and stir until evenly coated.
Spread the mixture in an even layer on the baking sheet. Bake for 12 minutes.
Stir the granola well and return it to the oven. Bake for 12 more minutes until golden brown and crispy.
Let the granola cool completely, then toss it with the raisins and cranberries.
Keep in an airtight container for up to two weeks.