Grease a cake pan or a bundt pan with butter and sprinkle with sugar
Add thinly sliced oranges (optional)
Prepare the batter by creaming together the butter and sugar
Add the eggs one by one
Add the vanilla, orange rind and 75 ml of the juice and mix well
Fold in the flour and the baking powder
Preheat your oven to 375 and then drop it to 350
Bake the cake for 35 - 40 mins
Allow to completely cool before turning out, especially if you have added orange slices