Preheat oven to 300 degrees.
In a large bowl, combine the oats, nuts and seeds.
In a small bowl, stir together the honey and maple syrup.
Pour the liquid over the oats.
Spread the mixture evenly over a baking sheet and bake for 20-30 minutes.
Remove from oven and add nutella, stirring the granola to mix all up.
Return to the oven and bake another 10-15 minutes, until slightly darkened.
Remove from oven and stir in cranberries.
Let cool completely.
Store in an airtight container.