Mix all the ingredients together and bake in the air fryer at 150-160°C for 10 minutes, three times (bake until desired color).
Add oatmeal, protein powder, nuts, and seeds to a large bowl and mix well.
In a small bowl, combine black sesame (black sesame seeds), honey, olive oil, and salt. Stir until well mixed.
Pour the liquid mixture over the dry ingredients and mix thoroughly.
Line a baking tray with parchment paper and spread the mixture evenly.
Bake in a preheated oven at 160°C for 20-25 minutes.
Transfer to a cooling rack, let it cool completely, then break into bite-sized pieces.