Heat a good glug of olive oil in a frying pan (skillet) and fry the courgette slices, turning them once, until golden brown on each side. Once cooked, put them in a bowl. Repeat until all the slices are cooked. This part is a bit time-consuming but I promise it will be so worth it. I used to watch my grandmother do this all the time.
Once all the courgette is cooked, grate the garlic in