Put the eggs in a food processor and stir.
Mix 1 with olive oil and brown sugar.
Sift the flour and baking powder into a bowl.
Add almond powder, cinnamon, and nuts to 3.
Pour 4 into 20cm cake mold.
Bake at 180 degrees for 45 minutes.
While baking, make the sauce for the top with lemon juice and powdered sugar.
When 5 is almost cool, spread 6 on top.