Lemon Cake with Icing (Bolo de Limão com Cobertura)

1. Preheat the oven to 180°C or 350°F.
2. In a bowl sieve the flour together with the baking powder, add the lemon zest and set aside.
3. In a blender, place the eggs, the oil, lemon juice and sugar and beat for 2 minutes.
4. Grease a cake form with a hole in the middle, and set aside.
5. Pour the blender mixture into the bowl with the flour mix, add the milk and stir well. 
6. Pour into the greased cake form and bake for 25 minutes or until the surface is golden brown (Do the toothpick test).
7. Leave it in the oven for two minutes with the door open, remove it from the oven and unmold when it's cold.

Icing:

1. Mix the condensed milk with the lemon juice.
2. Pour it over the top of the cake and garnish with the lime zest.