Preheat the oven to 160°C (320°F).
Combine oats, almonds, pumpkin seeds, and coconut chips in a bowl.
Add unsweetened cocoa powder, erythritol, and salt; mix thoroughly.
Melt coconut oil in a double boiler, then pour it into the bowl and mix well.
Spread the mixture thinly on a parchment-lined oven tray.
Bake in the oven at 160°C (320°F) for 20 minutes.
After cooling, melt dark chocolate in a double boiler and drizzle it over the granola.
Once fully hardened, break into clusters and store.