Preheat oven to 180 C

line a bunt cake pan with margarine and flour

in a medium size bowl, beat the egg yolks with 200 grams of sugar. Beat it until fluffy

add the margarine, the orange juice, and grated peel of one of the oranges

beat with electric mixer, stir the baking powder into the flour, and than add it to the mixture

in another bowl, beat the egg whites until foamy.

add the rest of the 50 grams of sugar and beat until forms high peaks

gently fold the egg white mix into the yolk mixture

place in oven for 45 minutes or if tooth pick comes out clean

while cake is baking, prepare syrup by caramalizing the sugar with the orange juice to a boil

when cake is ready, remove it from the pan and poke some holes around it with a fork while the cake is still hot. Than pour the syrup on top

optional: can sprinkle grated orange peel on the top

enjoy!