Preheat oven to 400 degrees F.
In a mixing bowl combine the sugar, lemon oil, eggs, and milk. Mix all of these ingredients until wet blended. Add the flour and baking powder and mix until you obtain a soft batter.
Grease a cake mold with butter and a little flour. Tap the excess flour out of the mold.
Slowly pour the cake batter into the mold and bake for 45 minutes. Let cake cool and serve.