Potato cheese

Extra Medium Cheddar Cheese contains Potato Starch

Medium Fat Hard Cheese contains Potato Starch

So, complete with capitals, I was informed by the back of a pack of M&S spaghetti carbonara.

We live & learn.

Links
Avebe: Starches that improve texture, stability and appearance of food products

M&S: Our food labelling

Business Library: All eyes on new potato starch

Sargento cheese