-
Preheat the oven to 350°F/180°C.
-
Squeeze 1
orange and grate the zest. Wash the remaining
oranges and slice. Set aside.
-
Melt 1 3/4
oz (50 g) of butter in a saucepan and let it cool.
-
Separate the egg whites from the yolks. Beat the
yolks together with the sugar. Add the orange juice
and zest, the melted butter, the flour, and the
baking powder. Mix until the batter is nice and
smooth. Beat the egg whites and fold into the
batter. Pour the batter into a greased cake pan.
Bake for 35 - 40 min.
-
Turn out the cake onto a
cooling rack and leave it to cool.
-
While the cake
is cooling, prepare the chocolate icing: separate
the egg whites from the yolks. Melt the chocolate
together with the butter in a double boiler. Remove
from the heat and add the sugar, orange zest, and
egg yolks. Beat the mixture until it is nice and
smooth. Whisk the egg whites until they form stiff
peaks and fold them gently into the chocolate
mixture. Set to chill in the refrigerator.
-
Cut the
cake into two layers. Sprinkle each layer with one
tablespoon of Cointreau. Cover the bottom layer with
icing. Place the second layer on top. Cover the
surface with the remaining icing. Decorate with
sliced oranges. Serve very.