Clean and rinse the octopus and saute in Xilouris Family Extra Virgin Olive Oil with the chopped onions and garlic. Boil for a while, add the ground tomatoes, salt, pepper and simmer for about an hour. Add the required amount of water in the pot (2.5 cups of broth for each cup of rice). Bring to a boil, add the rice and let boil stirring occasionally. Remove from heat, cover with a clean towel and leave aside for 10 minutes before serving.