Preheat oven at 180°C

1.  Whip the butter in the whisk until fluffy.

2.  Continue to whip in the crushed halva, eggs and vanilla, until you get a smooth mixture.

3.  Add the flour, alternating with the milk. Beat the mixture for 3 more minutes.

4.  Add the rest of the halva in small pieces and stir gently with a spatula.

5.  Place the cake in a greased baking pan and bake. 

6.  When it is baked, remove from oven and allow to cool on a wire rack.