The phrase "shredded cheddar" refers to small pieces of cheddar cheese that have been cut into thin strips using a special tool or grater. Full definition
Top with cauliflower pieces and remaining 1 cup shredded cheddar. (eatwisconsincheese.com)
I made a few changes to the recipe, using a little more crumbled cornbread, adding 1 cup of shredded cheddar cheese, and substituting turkey bacon for regular bacon. (nancy-c.com)