Place the bread on a small baking tray or oven-safe plate.
Spread the tomato sauce over the entire surface of the flatbread.
Spread half of the cheese over the tomato sauce.
Arrange the tomato sliced on top of the cheese.
Sprinkle in some salt and pepper.
Spread the rest of the cheese over the tomatoes.
Pop into the oven toaster for a minute or just until the cheese melts and the bread is heated through.
Drop fresh basil on the flatbread pizza Margherita. Enjoy while hot!