Topping
In a blender, put the eggs, the milk and the oil, blend for 1 minute. Add the salt, the baking powder and half of the wheat flour, blend it all together. Add the rest of the wheat flour, blend again.
Grease a pizza tin with butter and flour, pour the mixture in it and bake in a preheated oven at 280°C (536°F) for 15 minutes.
Evenly spread the tomato sauce over the baked pizza dough, add the ham, the mozzarella cheese then add the slices of sausage, the tomato slices and oregano to taste.
Bake in a preheated oven at 280°C (536°F) until the cheese has melted.