Chesdale Cheese was a variety of cheese produced for the mass market in New Zealand back in the unsophisticated days when cheese was simply cheese. Chiefly remembered for its very memorable television advertising jingle sung by two animated characters Ches and Dale wearing gumboots and black singlets. This was learned off by heart and sung in a variety of ingeniously distorted fashions by generations of New Zealand children. The original words are as follows

We are the boys from down on the farm,

We really know our Cheese.

There's much better value in Chesdale,

It never fails to please.

Chesdale slices thinly, never crumbles, there's no waste,

And boy it's got a mighty taste.

Chesdale cheese.

It's finest Cheddar. Tastes Better.

Ches and Dale and their advertising jingle have become Kiwiana likely to induce fond memories of childhood in kiwis of the right age group.

This brand of cheese, or a derivitative thereof, is still produced and sold in individually wrapped, pre-sliced portions. This (combined with its highly processed nature) has given it the popular slang name of "plastic cheese" or (more formally) "processed cheese".