Florentine Sponge Cake

The saffron is what got my attention. I haven't tried it yet, but I thought I would put it here for safe keeping. Originally from the art of cooking web site.

• Ready In: 45 mins
• Serves: 12

Ingredients

• 1  cup plain white flour (sifted)
• 4  tablespoons extra virgin olive oil
• 1  cup milk
• 1  orange, rind of
• 1⁄2 teaspoon powdered saffron
• 1⁄2 cup sugar (or to taste)
• 2  eggs
• 2  teaspoons baking powder
• 1⁄4 cup icing sugar
• 1⁄4 teaspoon salt

Directions

1. Preheat oven to 150°C.
2. Put the sifted flour, baking powder, oil, milk, grated orange rind, saffron, sugar, eggs, and a pinch of salt into a mixing bowl and beat together thoroughly until all the lumps are gone and the batter is smooth and thick.
3. Grease a shallow rectangular baking pan and pour in the mixture.
4. Bake for half an hour.
5. Sprinkle plenty of icing sugar on top.
6. If you prefer it sweeter, you can slice the cake in two (horizontally!) and fill it with whatever you like (whipped cream, chocolate icing, etc).