Mix together in a large bowl:
2 cups rolled oats 
1 cup spelt flakes
1 cup barley flakes 
1/2-1 cup coconut flakes
1/4 cup sunflower or pumpkin seeds
1/8 cup sesame seeds 
chopped or flaked nuts to taste/budget 
Mix in a measuring cup:  
1/2 cup vegetable oil
1/2 cup honey 
Add honey and oil to large bowl and mix well.
Line 2 large baking sheets with parchment paper and spread out the mix out well. 
Bake at 170C for 20 minutes or until golden brown; stir once during cooking. 
Cool. Add raisins or other dried fruit (optional).  Enjoy. 
