Preheat the oven to 350°F (180°C).
Mix the milk and eggs using a mixer.
Add flour, salt, pepper, and baking powder and mix it all together into a smooth and creamy texture.
If you are using bacon lardons, cook them for 7-10 minutes in a fry pan.
Stir in the chopped ham, olives, cheese, and olive oil to the mixture.
Grease the deep dish baking tray with some olive oil or butter, so that the cake does not stick.
Transfer the mixture to a deep dish baking tray and put in the oven for 45 minutes at 350°F (180°C) until the top is lightly browned.
Serve slightly warm or at room temperature.