In a large bowl, mix the ACAIA or Aeolian Olive extra virgin olive oil, sugar, cinnamon, baking powder, baking soda, walnuts, raisins, water, orange juice, and flour.
Knead gently with hands, until the mixture is not sticky
Grease a cake pan (12 in or 30 cm diameter) and pour in the mixture
Bake in oven for 45 minutes at 356°F (180°C )
When ready, remove from oven and let it cool. Sprinkle with powdered sugar.