In a bowl, add the egg, the salt, the sugar, the oil, the milk and add the flour by sifting it through.
Mix it all together until it turns into a smooth mixture, add the baking powder and mix lightly until combined, transfer the mixture to the microwave dish and spread it out evenly.
Microwave for 4 minutes, then add the tomato sauce to taste, the ham, the mozzarella cheese and the slices of sausage. You can add any topping you like.
Microwave for another 2 minutes then serve.