Beat eggs and sugar together until ribbon formed. It takes about 5 to 8 minutes. Then add in oil and sift in flour, fold it gently. 

Lightly brush the cake tin with oil, or line with parchment paper. Pour the batter into the cake tin, tap the tin for few times to release the bubbles. Put some almond slices on it. 

 pop in preheated oven at 180C, bake for 20-25 minutes. Enjoy!