2: Dice 100 g cured ham (use smoked if you like). Set aside.
3: Pour 3 tablespoons olive oil into a large frying pan on high hear. When really hot, add the diced carrots and cook until tender. Check the seasoning. Transfer onto a plate.
4: Pour another 3 tablespoons olive oil into the same pan, still on high heat. When hot, add the courgettes and cook until tender, then Check the seasoning. Transfer onto a plate.
5: Still using the same pan, fry the diced ham in 2 tablespoons olive oil.
6: When the ham is nicely browned, add the chopped onion and cook for 1 or 2 minutes without colouring.
7: Put the carrots and courgettes back in the pan and stir well to mix all the flavours.
8: Tip the vegetable mixture into a buttered gratin dish and spread in an even layer. Preheat the oven to 390°F (200°C).
9: Prepare the savoury clafoutis mixture by mixing 2 eggs, 200 g liquid cream, 80 g grated cheese and 30 g flour. Pepper and salt moderately (the ham and cheese are already quite salty).
10: Pour the mixture into the dish...
11: ...and bake for about 35 minutes. Serve hot or warm.
Remarks
For the grated cheese, I recommend Comté (as usual), but any other cheese you prefer will work just fine.