Wash the orange thoroughly. Cut it into pieces with the peel, remove seeds if any.
Blend the orange pieces with the sugar until blended.
Add the eggs and oil, blend again.
Add the flour and blend once more.
Pour batter into a greased baking pan of your choice.
Bake in a preheated oven at 350°F (177°C) for 45-50 minutes.
Do the toothpick test to check if it's ready.
After taking the cake out of the oven, wait a few minutes and then pour the orange juice over it.
Enjoy warm or room temperature.
