Parmigiano-Reggiano makers are putting edible microchips the size of a grain of sand into their 90-pound cheese wheels to combat counterfeiters::Italian Parmigiano-Reggiano makers are using microchips to verify the authenticity of their products and thwart scammers.
When I was a kid we’d grate 200g for 4 people. I take a bit less nowadays than what I would get as a kid but some people still look at me funny. I think 20-30g is a regular serving.