01 -
Combine the yeast with warm water and let it sit for 5 minutes.
02 -
In a large mixing bowl, stir together the sifted flour, salt, mashed potato, sugar, and olive oil.
03 -
Gradually pour in the yeast-water mixture as you knead to form a soft, sticky dough.
04 -
Knead for about 10 minutes, then cover and leave it to rise for 2 hours in a warm spot.
05 -
Press the dough into a greased pan and poke small holes across the surface with your fingers.
06 -
Cover it again and let it rest for another 45 minutes.
07 -
Layer the halved tomatoes on top, drizzle with the olive oil-water mixture, and sprinkle oregano and salt.
08 -
Bake at 190°C for 45-50 minutes, or until the crust is golden brown.
09 -
Cool for 5 minutes, then transfer to a rack to cool completely before serving.