Pulled Pork Bruschetta with Caramelized Onions and Mozzarella

large yellow onion, sliced

olive oil

large slices of [url]crusty bread∞https://www.fifteenspatulas.com/2010/12/10/a-bread-recipe-for-those-who-dont-know-how-to-boil-water/[/url]

leftover BBQ pulled pork

mozzarella cheese

couple cloves of garlic