1. Cut the onion, carrot, and ham into strips or cubes you like. I cut into dices for easy operation by girls
2. It is more convenient to buy sticks
3. Line the baking tray with tin foil, put the bread slices, and then take an appropriate amount of tomato sauce or pizza sauce and spread it evenly
4. Put a layer of onion and carrot first, then a layer of ham, and then spread cheese on it.
5. Preheat the oven, fire up and down 180°, and you can start it in ten minutes!
