1 piece of flatbread (pretty much any flat bread is fine. This  works best

1/4 cup mozzarella 

1 tbsp balsamic vinegar

add any additional toppings you might want


preheat oven to 350

Place flatbread directly on oven rack and let bake for 7 minutes

while the flatbread is baking, mix the balsamic vinegar with the mozzarella and other toppings

remove flatbread from oven and add cheese mixture

cook for additional 7 minutes or until the cheese is melted