Preheat the oven to 170°C (338°F).
In a bowl, mix oats, nuts, cinnamon powder, and salt.
Add coconut oil and maple syrup, then toss well to coat evenly.
Spread the mixture thinly on a baking tray.
Bake in the oven at 170°C for 20-25 minutes.
Let it cool completely before storing.