plum and cinnamon upsidedown cake

i was at the gym the otherday, listening to www while watching day time tele... and there was "fresh" on ch 9...
this plum and cinnamon upsidedown cake made me thought of utilizing my sour sour plums in the fridge...
the recipe is at
http://aww.ninemsn.com.au/article.aspx?id=751649



i didn't have butter at home, so i substituted olive oil for butter...



the resulting cake was really good...
v delish! v moist, grainy but not dry...