Putt rolled oats, whole-wheat flour, brown sugar and semi-sweet chocolate chips into a large bowl and mix the mixture with a spatula or a tablespoon.
Now into a separate little bowl add the oil and honey and mix them with a whisk. You may use other mixing techniques.
Add the oil-honey mixture into the large bowl with all your ingredients and mix the whole mixture.
Lay a baking sheet onto a baking pan and gently move your mixture on the pan. By applying pressure make sure that your mixture is 1 inch tick and form a rectangular shape.
Putt into 165°C oven for 35 minutes
When your granola has a golden colour after 35 minutes take it out of the oven and cut into portions as you wish. Enjoy!