One key thing to note: You do need a Costco membership to buy a pizza. Once upon a time, you didn’t, but those days are sadly gone. Reddit is also a great place to pick up hot Costo pizza tips.

Impromptu pizza gatherings were a staple of life for cookbook author Katie Quinn when she lived in Italy. After she moved back to the U.S., she discovered the Ooni Koda 16 Pizza Oven and started ...