Cheesy Pancetta Flatbread

Cheesy Pancetta Flatbread - Salty Italian bacon, caramelized onions and fontina cheese make this crisp-chewy flatbread unforgettable. Cut into small squares to make the perfect shareable snack or appetizer. - large sweet onion (thinly sliced), butter (divided), package thin-crust refrigerated pizza dough, finely minced garlic, [...]