The day before you want to eat, in the morning, put the pizza dough ingredients in a bowl. Mix well, preferably with your hands, to create a shaggy dough. Cover with a tea towel and put somewhere warm (e.g. airing cupboard).
Leave in the warm place for 2.5 hours. Every 30 minutes, pull the dough away from you and fold it over on itself (do this 4 times each 30 minutes).
Transfer the bowl to the fridge and leave overnight.
The next day, six hours before you want to eat, remove the dough from the bowl and cut in half. Dust the work surface with flour and shape the two pieces into tight balls. Put these on a baking tray lined with baking parchment, cover with a tea towel and leave to prove until you are ready to start cooking.
To make your tomato sauce, put all of the sauce ingredients into a saucepan and put over a low heat. Bring to a gentle simmer, stirring so that the sugar dissolves, and season with salt and pepper. Remove from the heat.
Prep the topping ingredients by halving the olives and tomatoes, thinly slicing the bell pepper and crumbling the feta.
When you’re ready to cook, preheat your oven to 250 degrees Celsius. Put a baking tray in the oven to heat while it warms up.
Put one of the dough balls on a piece of baking parchment. Use a rolling pin and your hands to flatten into a circle about 0.5cm thick. Spoon the sauce onto the pizza, dot with mozzarella and sprinkle over half of the other toppings. Take the baking tray out of the oven, ease the baking parchment with the pizza onto it, and put back into the top of the oven for 10 minutes or until cooked through. Repeat with the other pizza.