2: Cut 400 g preserved tomatoes into small pieces and add to the olives.
3: Cut 200 g Parmesan (Parmigiano Reggiano) into small dice and tip in with the tomatoes, scatter the herbes de Provence over and mix well.
4: In bread-making, the water temperature is always important. It's not a fixed value, but related to 3 other temperatures: 1) the temperature of your flour, 2) the room temperature in your kitchen, and 3) the basic temperature of this recipe, which is 52-56°C. You can calculate the temperature of the water for this recipe in one click, using this small calculator.
6: Towards the end of kneading, trickle in 75 g olive oil.
7: Finish by tipping in the olives, tomatoes and parmesan. Knead again just until these are mixed in.
8: Gather the dough into a ball, transfer to a large bowl, cover with a plastic sheet and leave to rest for 1 hour 30 minutes.
9: After this, weigh out 700g chunks and shape into balls. Cover the dough with a plastic sheet and leave to rest for 15 minutes.
10: Flatten the dough out by hand to expel the gas...
11: ...then reshape into balls. Put into bread rising baskets (bannetons).
12: Cover with a plastic sheet and leave to rest for 2 hours.
13: Preheat the oven to 240°C (460°F). Slash the tops of the foccacias...
14: And bake for about 25 minutes.
Note: As when baking any bread, you should ensure that the oven is filled with steam for the first 15 minutes of baking. This page shows you how; it really is the secret of golden-brown, crusty loaves..
Remarks
For the olive oil, you can use the oil from the tomatoes; the flavour will be even better.