Prepare oatmeal, nuts, and seeds.
In a large bowl, combine oatmeal, nuts, seeds, and salt.
Mix cocoa powder, honey, and cooking oil separately until well combined.
Pour the liquid mixture over the ingredients and mix evenly.
Spread the mixture evenly on a baking tray.
Bake in a preheated oven at 180°C for 20-25 minutes.
Flip once halfway through, then let it cool completely.