From Kirkland's boxed wine to Kirkland Signature's Parmigiano Reggiano, we've solved the mysteries of which companies make them. But deducing who actually produces Costco's Kirkland bacon is a ...

My favorite budget-friendly thing to buy at Costco is the Kirkland Signature Parmigiano Reggiano. Parmigiano Reggiano is a type of cheese from a specific region in Italy, and it must be aged for ...